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Britax Marathon Expiration: Know Car Seat And Their Laws

britax marathon car seat and expiration

If you are a new parent or grandparent, you may not know that car seats, like many other products, have expiration dates. This article will help you understand more about Britax Marathon expiration dates and the laws regarding their use.

Britax Marathon Car Seats

Britax Marathon ClickTight Convertible Car Seat | 1 Layer Impact...
  • Easy installation: Patented click tight makes car seat installation as simple as buckling a seat belt
  • No rethreading, ever: 14 position harness, 2 position buckle for a comfortable fit as your child grows
  • Relax and recline: 7 recline positions ensure comfort and the best vehicle installation angle

Britax creates several different styles of car seats including infant, convertible and booster to accommodate different sizes of children. An infant car seat is only rear-facing and can fit children up to 35 pounds or 32 inches. The Marathon style has been on the market for many years and is strictly a convertible car seat, which means that it can change from rear-facing to front-facing as your child grows.

However, the car seat only accommodates children up to 65 pounds in weight or 49 inches in height. Beyond this, you will want to move your child into a booster seat. Britax has two newer convertible designs called Emblem and Allegiance that have similar functions but a new design and some more enhanced safety.

Britax Car Seat Model Expiration Dates

All Britax car seats come with expiration dates displayed on the seat back or side. Different seats have slightly different life expectancy dates. For instance, their infant car seats and belt-positioning booster seats have an expiration date of six years. Their convertible car seats expire approximately seven years after creation. The Harness-2-Booster and Click-Tight convertible seats have expiration dates of nine and 10 years, respectively.

Why Have Expiration Dates on Car Seats?

There are several situations in which people may decide to give you a car seat. You are having your first baby, and some friends want to gift you with their old car seat to save you some money. You had a baby many years ago and are now having a second or third, and you have saved all of your baby gear for the next child. Your parents will be driving your child around, and they need a dedicated car seat so that you are not constantly shifting the car seat between cars. These situations may be perfect opportunities to save money on a used or older car seat, but you will want to make sure that the car seat is not expired.

While many people think that car seat expiration dates are a ploy by manufacturers to create an artificially small life span for these big plastic buckets with cushions, there are several very important and lifesaving reasons for car seats to expire routinely.

Upgraded Safety Features

As mentioned earlier, the Marathon car seat has been in production for many years. While it has received upgrades over these years, the model itself has not changed much. Companies continually learn more about how to keep children safe during accidents. They then apply this knowledge to newer car seat models. The newer seats may have slightly different padding or harness mechanisms that keep children even safer than the previous models. In fact, Britax has just released two new convertible car seat models with the latest technology available. They boast similar but upgraded technology:

Safety Cell – this transfers energy away from the child in case of an impact.

Stabilizing Steel Frame – provides more seat stability and the ability to absorb crash energy.

Impact-Absorbing Base – designed to compress in the event of an accident and redirect crash energy away from the child.

V-Shaped Tether – intended to reduce the rotation of the seat in the event of an impact and also slows any forward movement of the seat.


Due to the constant influx of data through crash testing in both real-life situations and during crash tests, the company continually monitors the safety of models that are currently on the market. They will recall any seat or part that is deemed unsafe within the expiration date of the model. Even the best seats occasionally have recalls. In 2007, Marathon seats had a recall for the safety clip on the harness. The company provided new clips to anyone who needed them. However, companies cannot be responsible for recalls on their products indefinitely, especially considering how much safety technology changes over time. The seats of the 1990s and early 2000s are much less safe than the ones today but were deemed to be suitable for their time.

Replacement Parts

Similar to recalls, companies cannot continually produce parts for seat models that they no longer build. By having an expiration date approximately six to 10 years after manufacture, companies can mitigate the number of replacement parts that they must always have on hand for older models.

Unknown History

While used car seats may seem like a great deal, unless you know the history of the seat you may be gambling with safety. Car seats that have been in accidents may find their way back to the marketplace. Any seat that has been in an accident should be immediately discarded since there could be unseen damage.

Unseen Damage

As was discussed earlier, car seats that have unknown histories can have unseen damage. You often do not know how these seats were used or stored. For instance, after the other person’s child became too big for the seat, it could have sat in a garage or carport for an extended period. While not directly exposed to the weather, it could have been exposed to extremes in temperature.

In addition, car seats undergo extreme temperature shifts by remaining in a vehicle for extended periods of time, up to years. Consider the fact that during the summer, temperatures in vehicles can reach over 120 degrees Fahrenheit. This temperature is enough to kill a person or animal. It is also enough to cause plastic fatigue since the car seat will then cool off once the driver gets in and turns on the air conditioning. In the winter, there are similar dips in temperature. These constant hot and cold temperature shifts can cause unseen damage to the plastic base. While car seat manufacturers admit that they normally do not see this kind of material fatigue for at least a decade after manufacture, the point is still an important one to consider.

The Law

There are no laws that state that you cannot use an expired car seat. Laws are written in much more general terms than that. These laws allow police officers to interpret and apply the law as necessary. While a police officer will most likely not stop your car to check the expiration date on a car seat, he or she may check the seat if your car is involved in an accident. The laws in many areas say that all car equipment must be used within the safety regulations set forth in the owner’s manual. A car seat owner’s manual will have the expiration date listed; therefore, if you have an expired car seat in your car, you are using the equipment in an unsafe manner and can be cited for its use.

Car Seat Disposal

Similar to using the car seat correctly, the seat must also be decommissioned properly as well. Once the car seat is beyond the expiration date, it cannot be sold or used. One way to properly dispose of the seat is to take it to a retailer during one of their baby equipment buyback events. This will prevent you from having to disassemble the seat, and you will get some discount on new equipment. The other way to dispose of the seat is to disassemble it completely. You should remove the harness straps and seat cover.

Unless you have a non-car-seat use for them, you can cut them so no one else may use them and place them in the trash. Next, you should remove any metal hardware using a screwdriver. These pieces can be recycled in metal recycling. Finally, you should check with your local plastic recycler to see if the seat can be placed in the recycle bin. If not, write the word “expired” in large print with a permanent marker and place the entire seat in the trash can. By taking these extra steps, you can ensure the safety of other people’s children so they are not inadvertently using an expired car seat.


Car seats are an important safety barrier between children and car collisions. The Britax Marathon expiration date is an important part of this safety feature. The company does not want consumers using outdated or unsafe seats. While we don’t often want to think about the worst-case scenario, we can feel more confident about safety if children are buckled up correctly in a non-expired car seat.

Unlike food expiration dates where we can assess the freshness and quality of the item, car seats cannot be visually assessed for material fatigue and unseen damage. Also, the law requires that children be seated in car seats that match their height and weight and that the car seat is used within the guidelines of the user manual. For all these reasons, be sure to check the expiration date of any car seat that you obtain or purchase.

Eddie Bauer Car Seat Expiration Dates: Know Car Seats And Their Laws

Eddie Bauer Car Seat and Expiration Dates

Placing your child in a vehicle already presents inherent risk despite how safely you might drive. In a sense, you are putting your child’s life in the hands of complete strangers. To bring you the most ease in this kind of situation, the best choice you can make is to ensure that you are familiar with the current car seat laws and standards. It’s also important to make sure that your chosen car seat is up to par and certainly not past its expiration date.

Depending on the model of car seat, expiration dates can range from six to 10 years. For example, Eddie Bauer car seat expiration dates can vary depending on the date of manufacture. If the car seat was created before December 2013, your warranty might only be valid for six years, while newer models made after January 2014 likely range from eight to 10 years. To be absolutely certain, you can refer to the sticker that you can find on the seat itself, the owner’s manual, or you can give the manufacturer a call and ask them.Purchase Date Vs. Manufacture Date

Purchasing a product that has the ability to expire presents a risk in and of itself. It seems logical to assume that the product will expire from the date you purchase it; however, the real expiration date is based on when the product was produced. This can be an especially tricky situation if you plan on buying a model from the previous year. However, if your child is going to outgrow the car seat before it expires, this doesn’t pose as much of a possible liability, but if your family’s expanding, or you intend on your child using the car seat for years to come, you will likely benefit most from purchasing a newer model.

5 Reasons To Replace a Car Seat When It Expires

It can be a common thought process that some manufacturers develop warranties and expiration dates as a tactic to guarantee that they will consistently be making money, particularly when it comes to putting out new models of their products. Though this can be true in some cases, when it comes to car seats (like car parts), newer models are a matter of restoring security and safety as much as possible when facing unpredictable situations on the road.

Some people might argue that years ago, children didn’t have car seats and seemed to manage just fine. What most people probably don’t realize is that since 1975, it’s been noted that the number of kids killed in car accidents has dropped 80 percent, even though there’s been a five percent boost in the total number of kids riding in cars.

1) Overall Weathering of Materials

As with most plastic-based objects, exposure to extreme temperatures degrades the integrity of both the function and the appearance of the object. When this object is primarily responsible for the protection of a human life, it should be of great importance to guarantee that the materials are able to operate to their full capacity. The belts for the car seat can also become less taut over time, which can be especially detrimental in the unfortunate case of a car accident.

2) Potential of Recalls

Unless you register your car seat (either with your car seat’s manufacturer or the registration card that comes with your car seat), you will not be notified if the car seat gets recalled for any reason. As with car parts, this isn’t typically something that a person thinks to look at on their own. The best way to prevent any mishaps with the state of your car seat is to register your car seat as soon as you buy it and to refrain from purchasing used car seats regardless of how tempting and cost-effective it might seem.

3) Technological Advances and Higher Standards

When it comes to the development of new automobiles, companies consider data gathered from crash tests as well as the general progress of the materials used to make the car seat. The design and creation of the end product are not to be taken for granted either. Unfortunately, the convenience of purchasing a used car seat can outweigh this fact for some people, or perhaps they aren’t aware of why car seats expire. Though understandable, it can be risky considering that, if the car seat is older, it might not contain crucial elements of car seats today.

4) Limited Safety Guarantee

Like most products, car seats have a set amount of time that they’re promised to deliver their intended outcomes (otherwise known as a warranty). The issue with keeping a car seat that’s expired is not only that you’re putting your child’s well-being in jeopardy but also that you aren’t able to hold the company accountable for any potential mishaps. To eliminate this possibility altogether, make sure that the car seat you’re using is in line with the current standards and isn’t expired.

5) Inability To Replace Parts

As car seats improve both in the materials used and various advances in functionality, it’s likely that manufacturers will rid their inventory of older parts. If you decide to hold onto a car seat that’s expired and one of the parts ends up needing to be replaced, it’s possible that the likelihood of you tracking down a place to purchase that part will be reduced. In fact, as time passes, it’s more than likely that you’ll need to buy a new car seat anyway.

Different Types of Car Seats and Their Laws

Though car seat laws tend to differ by state, and can often be inadequate, the American Academy of Pediatrics (AAP) frequently updates their standards based on updated information and research. To choose the best car seat for your child, you will have to consider both their age and size.

1) Rear-Facing Car Seats

Your infant or toddler is required to remain in a rear-facing car seat until they are two years old or reach the weight and height limits located on the car seat. There are two choices of rear-facing car seats: infant-only and convertible. Convertible car seats offer a higher weight and height limit, but there are infant-only car seats that have weight limits up to 35 pounds.

2) Forward-Facing Car Seats

The transition to a forward-facing car seat will typically happen when your child turns two years old or outgrows their rear-facing car seat. They will, however, need to wear harness straps until they meet the height and weight requirements on their new car seat. These requirements typically fall between 65 to 80 pounds.

3) Booster Seat

Once your child reaches the limits of the forward-facing car seat with the harness straps, they are able to shift to a belt-positioning booster seat. All that’s left before moving to a seat belt is meeting the final height and weight requirements.

4) Seat Belt

Kids are able to move to a seat belt when they are old enough and meet the requirements of the seat belt. These requirements often involve being at least 4’9” (or 57 inches tall) and being between the ages of eight and 12 years old. The reasoning for the specificity of these requirements is that it’s important that the lap belt rests on the child’s upper legs and the shoulder belt fits snugly against the chest.

Determining Readiness For a Seatbelt

One of the most important things you can do is making sure that you are familiar with the standards of graduating from a booster seat to a seat belt. Your child won’t be ready to use only a seat belt until their knees remain bent when they sit at the seat’s edge. Their back must be against the seat without slouching. When it comes to the shoulder and lap belt, it’s especially important that these lay in the appropriate positions. The lap belt should rest across your child’s upper thighs, not their stomach, and the shoulder belt should fit snugly against their chest, not their neck.

Proper Tightness Is Optimal

To minimize the potential for injury if an accident were to occur, making sure your child’s car seat or booster seat is secure and connected correctly is crucial. If you are able to move the seat from the bottom more than an inch, it’s not installed tight enough.

Be Aware of Frequent Oversights

It’s not abnormal for a parent to assume they know what’s best for their children in most situations. This isn’t a bad thing or inaccurate by any means, but there are some standards that come from the manufacturing side of things that are important for parents to follow and be aware of. Common mistakes include: harness straps being too loose, the wrong seat being chosen for the child’s size and age, failing to keep rear-facing car seats at a 45-degree angle, and not using a latch when it’s present.

Do Your Research and Guarantee Satisfaction

Be relieved by your child’s first or next car seat by doing a sufficient amount of research and comparing products accordingly. A higher priced car seat won’t make much of a difference when it comes to an expiration date, so it’s wise to choose your child’s car seat based on the usage you intend on getting out of it.

Dog Car Seat Covers: A Buyer’s Guide Listing the Top 8 in the Market

girl driving with pet in a dog car seat covers

When you’re on the road, you want your passengers to be safe. Human seatbelts are a given, but did you know that your four-legged friends need safety seating as well? A dog car seat protects your furry friend from sliding around and possibly hurting himself while you drive, not to mention it keeps him from being a distraction while you’re behind the wheel. Of course, depending on the size and breed of your pet, the type of seat you need will vary. Before you purchase one, check out this buyer’s guide to help you make the right decision.

Dog Car Seat Covers FAQs

1. Does my dog need a car seat?

Yes, your dog does need a car seat. By keeping him in one spot, you can ensure you’re paying attention to the road instead of being distracted. It can also protect him from sliding around and possibly injuring himself.

2. How do I choose the right car seat for my dog?

When choosing a car seat for your dog, consider placement, padding and tethers. Look for one that attaches directly to the seat, has plenty of comfort padding and uses tethers to fasten your pet securely to the seat.

3. Are dog car seats safe?

As long as you ensure you purchase a seat that is right for your dog’s size and breed, dog car seats are completely safe.

4. How do I install a dog car seat?

The way to install your dog’s car seat depends on the type of seat. The best way to ensure you install it properly is to follow the manufacturer’s instructions that are included with the seat.

5. Can I wash a dog car seat?

Yes, you can wash a car seat for a dog. Most of them have removable padding that you can toss in your washer and dryer. However, follow the manufacturer’s instructions for the best results.

How We Reviewed

We considered several factors when choosing which dog car seats to include in our list. Our research included reading reviews from previous customers, checking out manufacturers’ reputations, and comparing features such as style, materials, ease of use, versatility for different breeds and sizes and overall budget. We then created our list of the best car seats for dogs.

Top 8 Dog Car Seats

1. Kurgo Skybox Booster Seat for Dogs

Kurgo Rover Booster Dog Car Seat with seat belt Tether
  • Reduces Distracted Driving - Dog booster seat keeps your pup off your lap. Pet Car seat gives your pooch a window view...
  • Easy to Install - Travel dog booster installs quickly & securely in either the front bucket seat or the smaller side of...
  • Dog seat belt Included - Dog car seat belt tether is adjustable & easily attaches to any dog harness to keep your pup in...

The Kurgo Skybox Booster Seat for Dogs gives your tiniest pets a boost up so that they can see out the window while you’re on the road, plus it prevents them from trying to climb into your lap and distracting you while you’re driving. The booster seat is easy to install on the front or back of a seat and has metal supports to maintain the structure. A waterproof design means no mess even if your pup has an accident. This design includes a tether for your dog’s harness and is suitable for pets up to 30 pounds.


  • Available in multiple colors
  • Makes it easier for small dogs to see out the window
  • Machine washable


  • Instructions seem difficult to some
  • Not enough padding around the rim of the seat

2. Snoozer Lookout II Pet Car Seat

Snoozer Lookout II Pet Car Seat, Large II, Black
  • Comfortable foam form
  • Simulated lamb's wool interior
  • Connection strap included for the seat belt to join the harness

Available in sizes small, medium and large, the Snoozer Lookout II Pet Car Seat is created using a simulated lamb’s wool interior that keeps your pet warm and comfortable. The seat works for dogs as small as four pounds and as large as 40 pounds, and depending on the sizes of your dogs, one seat can accommodate multiple pets.


  • One seat holds multiple dogs
  • Available in a range of sizes
  • Created by a leading manufacturer of dog car seats


  • Does not absorb accidents well
  • Straps are not secure enough for very active dogs

3. Petsfit Pet Booster Seat

Petsfit Lookout Car Seat For 2 Small Dogs or Medium Dog up to 45 lb...
  • Sizing: With dimensions of 29.5" L x 15.7"W x 13.8"H, the car seat is suitable for a Medium (or Large) sized dog up to...
  • Double-side liner: The pet car travel seat made of high quality oxford, used with a pad, which can be connected to the...
  • Reduces distracted driving: The dog car seat booster design with safety belts to fix the seat to prevent it sliding in...

Just the right size for dogs up to 15 pounds, the Petsfit Pet Booster Seat creates a secure, yet comfortable spot for your small dog to ride along to the vet, the dog park or anywhere else you want to go. Simply strap the seat to your car seat, secure Fido and go. During cool months, use the plush liner to help keep your pet warm; in the summer, reverse it with the cool nylon side up to help keep him cool. A short tether ensures he stays in the seat.


  • Large enough for your pal to sit or lie down
  • May ease tummies for carsick pets
  • Folds into an easy-to-carry storage bag


  • More expensive than similar designs
  • Attached tether is too thin for stronger dogs

4. K&H Manufacturing Bucket Booster Pet Seat

K&H Pet Products Bucket Booster Dog Car Seat Large Tan 14.5" x 24"
  • DOG SEAT WITH A VIEW: Booster pet car seat elevates pet(s) for a better view, while the firm foam bolster around the...
  • SAFETY FIRST: Compatible with any car seat belt to securely buckle in place with the seat belt hidden under the...
  • QUICK INSTALLATION: Quick to install and uninstall and the front dips down so your pet can easily climb in and out...

Many users consider the K&H Manufacturing Bucket Booster Pet Seat the best seat for large dogs. Depending on where you want your dog to sit, you can easily set this booster seat up in the front or back seat, and the dual security leashes ensure your pet stays safe and secure. The three-inch foam cushion provides plenty of comfort.


  • Washable cover
  • Elevated for a more relaxing ride
  • Available in two sizes


  • Not the most affordable seat on the list

5. Pawhut Deluxe Pet Car Travel Seat

PawHut 20" Deluxe Pet Car Travel Seat/Carrier for Dog & Cats - Gray
  • Lightweight and portable with a handy strap for convenient carrying
  • Made from water resistant fabric and breathable mesh
  • Large zippered opening and mesh side pockets

If you’re looking for something affordable, look no further than the Pawhut Deluxe Pet Car Travel Seat. An included tether attaches to a harness that keeps your dog safely in place and ensures you can drive without distractions. An included front pocket is perfect for holding your dog’s treats or toys and zips closed to keep him from snacking while you’re on the go.


  • Included storage pocket
  • More affordable than other options
  • Easy to install
  • Easy to clean


  • May not hold the weight of larger dogs

6. Solvit Tagalong Pet Booster Seat Deluxe

PetSafe Happy Ride Quilted Booster Seat - Dog Booster Seat for Cars,...
  • WINDOW SEAT: Boost your dog to the perfect height to look out the car window
  • AVAILABLE IN 2 SIZES: Check the size chart to find the perfect size for your pup; the largest size booster seat...
  • SAFE TRAVEL: Connect your car seat belt and use the safety tether to keep a restless pet secure

Available in sizes large, extra-large and jumbo, the Solvit Tagalong Pet Booster Seat Deluxe is a sturdier option for people who want their pets to have more support from beneath the seat. Lower support also means pets have an unobstructed view out the window. The booster fits in the front or back seat and includes a safety leash to ensure your pet stays in place.


  • Unobstructed views
  • Affordable
  • Fits anywhere in the car
  • Acts as a carrier, too


  • Doesn’t use the same size charts as most seats
  • Not as stylish as other brands

7. A4Pet Lookout Dog Booster Car Seat

A4Pet Lookout Dog Booster Car Seat/Pet Bed at Home
  • Deluxe pet booster car seat for small dog or cat. Dimension: 15 " L x 16 " W x 14" H
  • Offer better view for pets: elevates your pet 6. 5 inches high above the vehicle seat for them to look out of the...
  • Sturdy and security: included a safety leash, two seat belt loops and a sling to make it fastness and sturdy on car...

Made to tether even the largest dogs in place during a car ride, the A4Pet Lookout Dog Booster Car Seat is a collapsible booster seat that attaches to your car seat using two loops and a sling, meaning it won’t move from its spot even on the curviest of roads. The seat offers a different model for the front and back seats, which is ideal for people who have a designated spot for their dogs in the car.


  • Large enough for big dogs or multiple medium dogs
  • Foldable for easy storage
  • Washable


  • May cause crowding if kids sit in the back as well
  • Two different models mean little versatility

8. FidoRido 3-in-1 Car Seat

FidoRido Dog Car Seat - Pet Booster Car Seat with White Sherpa Cover,...
  • SAFETY REDEFINED. The patented FidoRido dual-strap restraint system disperses force of sudden stops helping to keep your...
  • LEAK-PROOF / SMELL-PROOF. Unlike most dog car seats, FidoRido components can be easily cleaned, re-used or swapped out...
  • FAST INSTALL / EASY INSTALL. Unlike some dog booster car seats, the FidoRido is compatible with bucket or bench seats in...

The FidoRido 3-in-1 Car Seat caters to the stylish pet parent. These uniquely designed seats are available in a range of colors and patterns and include fleece covers to ensure your pet is warm and comfortable during your trip. The patented design triples as a dog seat, basket bed and even a bath tub, meaning you spend fewer dollars on the essentials and more on yummy treats for your pup.


  • Can accommodate one medium dog or two small ones
  • Cushioning raises your pet to window level for a better view
  • Adjustable straps for better restraints


  • Accessories sold separately

Comparison Table



Shop Now

Kurgo Skybox Booster Seat for Dogs

Kurgo Rover Booster Dog Car Seat with seat belt Tether

Color: Available in multiple colors

Waterproof: Yes

Seatbelt: Included

Dimensions: 12x16x8 inches

Weight Limit: 30 pounds

Warranty: Lifetime

Buy on Amazon

Snoozer Lookout II Pet Car Seat

Snoozer Lookout II Pet Car Seat, Large II, Black

Color: Available in a range of colors and fabric options

Waterproof: No

Seatbelt: Yes

Dimensions: 30x18x18 inches

Weight Limit: 40 pounds

Warranty: Limited 1-Year Warranty

Buy on Amazon

Petsfit Pet Booster Seat

Petsfit Lookout Car Seat For 2 Small Dogs or Medium Dog up to 45 lb...

Color: Navy blue

Waterproof: No

Seatbelt: Yes

Dimensions: 15x6x14 inches

Weight Limit: 15 pounds for a small

Warranty: Lifetime

Buy on Amazon

K&H Manufacturing Bucket Booster Pet Seat

K&H Pet Products Bucket Booster Dog Car Seat Large Tan 14.5' x 24'

Color: Gray or Tan

Waterproof: No

Seatbelt: No

Dimensions: 20x15x20 inches

Weight Limit: N/A

Warranty: Limited 1-Year Warranty

Buy on Amazon

Pawhut Deluxe Pet Car Travel Seat

PawHut 20' Deluxe Pet Car Travel Seat/Carrier for Dog & Cats - Gray

Color: Blue, Gray or Camo

Waterproof: Water-resistant

Seatbelt: No

Dimensions: 16.5×14.2×13 inches

Weight Limit: 30 pounds

Warranty: N/A

Buy on Amazon

Solvit Tagalong Pet Booster Seat Deluxe

PetSafe Happy Ride Quilted Booster Seat - Dog Booster Seat for Cars,...

Color: Tan

Waterproof: No

Seatbelt: Tether

Dimensions: 16x13x18 inches

Weight Limit: 25 pounds

Warranty: Limited Lifetime Warranty

Buy on Amazon

A4Pet Lookout Dog Booster Car Seat

A4Pet Lookout Dog Booster Car Seat/Pet Bed at Home

Color: Navy Blue

Waterproof: N/A

Seatbelt: Yes

Dimensions: 29x16x14 inches

Weight Limit: 300 pounds

Warranty: N/A

Buy on Amazon

FidoRido 3-in-1 Car Seat

FidoRido Dog Car Seat - Pet Booster Car Seat with White Sherpa Cover,...

Color: Varies

Waterproof: No

Seatbelt: Yes

Dimensions: 23.5×18.2×10 inches

Weight Limit: 30 pounds

Warranty: 90-Day Limited Warranty

Buy on Amazon

The Verdict

If we were to base our final thoughts solely on Amazon reviews, the FidoRido would be the victor because it has the best reviews, and you can’t deny the three-in-one design is handy. However, it also has the shortest warranty and an above-average cost. We do have two favorites, though. For extra-large four-legged friends, we like the A4Pet Lookout Dog Booster Car Seat. You aren’t likely to find another one that holds dogs as large as 300 pounds, especially not one that’s affordable! If your pet isn’t the size of a small house, the Kurgo Skybox Booster Seat for Dogs is an excellent option. You can choose from several colors, and it will hold dogs as large as 30 pounds. Throw in the lifetime warranty, and there really isn’t a better option. However, no matter what booster seat you choose, it is important to remember that seats are meant for allowing you to drive without distractions but are not necessarily safety improvements for your pets. Research your safety options thoroughly before taking your dog on road trips.

Britax Marathon 70 Expiration: Know Car Seats and Their Laws

britax marathon 70 expiration

If you are like most parents, you know how dangerous the road can be. Still, you have places you simply must go. When you leave the house, you often take your children with you. If they aren’t old enough or large enough to use your vehicle’s seat belts, you must invest in a car seat to keep them safe until you reach your destination.

Britax Marathon 70 car seats have been popular with parents for years. These seats provide a safe, comfortable way to transport your precious cargo. Did you know Britax Marathon 70 car seats expire, though? In this article, we tell you everything you need to know about the expiration date of your Britax Marathon 70 car seat.Continue reading to learn how to calculate your car seat’s expiration date and what to do when Marathon 70 expires.

What Is a Britax Marathon 70 Car Seat?

Britax Marathon 70 Car Seat

The Britax Marathon 70 car seat is a convertible car seat. That is, you may install the seat in either a forward-facing or rear-facing application. For children weighing between five and 40 pounds, installing the seat in its rear-facing configuration is appropriate. Children between 41 and 70 pounds may ride in a forward-facing Britax Marathon 70 car seat. The seat is generally not appropriate for children who weigh more than 70 pounds. Also, the Marathon 70 is only suitable for kids who are under 49 inches tall, regardless of weight.

Protecting children during automobile collisions is a top priority for all parents. The Britax Marathon 70 does a good job at safeguarding the wellbeing of young passengers. The seat features innovative head, shoulder and back protection. This includes patent-pending SafeCell technology, reinforcing steel bars and revolutionary restraints to hold small riders in place during front-facing accidents.

The Marathon 70 also has side-impact protection.

Parents love the Britax Marathon 70 car seat for many reasons. In addition to its safety features, the seat offers a comfortable place for children to rest when they are on the road. It also comes in some elegant and fun designs. As such, the seat doesn’t take away from the overall styling of your vehicle.

When Does a Britax Marathon 70 Car Seat Expire?

Every Britax car seat has a manufacturer’s label on it. This label tells you when the car seat was made. On the Britax Marathon 70, the label is either on the back of the seat or on one of the harnesses. You must remember that calculating the Marathon 70’s expiration date depends on counting forward from the seat’s manufacturing date, not the date you purchased the car seat. There may be a significant discrepancy between the two dates, so be sure you find the label and determine when the seat was manufactured.

As a convertible car seat, the Britax Marathon 70 has a lifespan of seven years. This is different than other Britax car seats. For example, infant seats have a useful life of six years and booster seats last for nine years.

Even though seven years is a long time, your Britax Marathon 70 car seat may expire before your child outgrows it. Also, Britax Marathon 70 car seats effectively expire when they are in moderate or serious collisions. Even if a post-wreck car seat looks fine, it may have sustained damage during an accident. Often, tiny cracks and other imperfections occur that are difficult to see. Continuing to use the seat after a wreck can be dangerous to your child.

Why Do Britax Marathon 70 Car Seats Expire?

When you shop for groceries, you likely pay close attention to the expiration dates on perishable items. This makes sense, as feeding your family expired produce or other foods can make your loved ones sick. Expiration dates on car seats work in much the same way. Seat manufacturers use them to keep your children safe on the road.

Unlike food, which tends to rot after its expiration date passes, expired car seats often look perfectly fine. Nonetheless, car seats can degrade over time. Since child restraints often live in parked cars, they experience extreme temperature swings. Hot and cold temperatures break down plastics and other materials found throughout your Marathon 70 car seat. While you may not notice any degradation, the seat may no longer be safe after its expiration date.

Safeguarding against degradation isn’t the only purpose of car seat expiration dates. As you likely know, safety standards change all the time. As technologies advance, older car seats may not be as safe as newer models. By assigning an expiration date to its Marathon 70 car seat, Britax ensures parents upgrade to modern seats periodically. This allows parents and children to benefit from new safety features.

Also, expiration dates help to take pre-owned car seats out of circulation. While this is nothing inherently wrong with strapping your child into a secondhand car seat, doing so could be a big mistake. Because you don’t know the history of pre-owned seats, you can’t be certain they have not survived moderate or severe collisions. Remember, car seat damage during automobile accidents is often imperceptible. Just because you can’t see cracks or stress fractures does not mean the car seat is safe to use. Unless you know the usage history of a car seat, it is best not to place your child in it. Because car seats have expiration dates, parents are less likely to rely on a hand-me-down seat.

What Should You Do With Your Expired Britax Marathon 70 Car Seat?

When your child’s Britax Marathon 70 car seat expires, you have a decision to make. The seat’s manufacturer suggests you discontinue using the seat. Of course, doing so is up to you. You may determine that the seat continues to be effective. Using an expired seat is likely to be better than not using a child restraint at all.If you can, however, you should consider replacing your child’s Britax Marathon 70 car seat before it expires. When you are ready to purchase a replacement seat, you must think about your child’s weight and size. You may want to upgrade to a different convertible seat or booster if your child has grown considerably. If not, you may decide your Britax Marathon 70 expiration is a good time to buy a new Marathon 70 seat.

As a diligent parent, you want to be certain your expired car seat does not end up in another family’s vehicle. Often, expired car seats find their ways to secondhand stores. You can help retire your outdated car seat, though. We recommend taking the following five steps.

Destroy the webbing and cover. Other parents are unlikely to use a car seat that looks like it is in rough shape. When you are decommissioning your expired Britax Marathon 70 car seat, cut out the webbing, padding and cover. Not only does this make the seat look bad, it makes it uncomfortable to sit in.

Cut through the harnesses. A car seat that is missing its restraints is unusable. When you are ready to retire your Britax Marathon 70 car seat, try to cut through the harnesses.

Black out the serial number. Car seats cannot pass inspection if they don’t have a readable serial number. Likewise, secondhand stores often refuse to sell seats that don’t have clear manufacturing information. By blacking out or removing the seat’s serial number, you decrease the likelihood that a thrift store will try to sell your expired Britax Marathon 70 car seat.

Write “expired, do not use” on the seat. The best way to tell other parents that a car seat is expired is to write “expired, do not use” on the seat. Grab a black permanent marker and make the message as large and clear as you can.Throw the seat in the garbage or take it to a recycling center. Finally, you can ensure your expired Britax Marathon 70 car seat doesn’t find new life with another family by throwing it away or taking it to a recycling center. It can be tempting to drop old items off at a secondhand store. If a car seat has reached the end of its useful life, though, donating it is irresponsible.

Why Should You Not Ignore a Britax Marathon 70 Car Seat Expiration Date?

For all parents, child safety is a top concern. Because expired Britax Marathon 70 car seats may have defects or outdated technology, you may put your young passengers at risk by ignoring expiration dates. Further, failing to properly dispose of an expired car seat may put other children at risk. Both are unacceptable.Parents are busier than ever and keeping track of car seat expiration dates can be challenging. Fortunately, the task isn’t tough. Once you locate the date of manufacturing, you can likely set a digital reminder to encourage you to purchase a replacement seat. Remember, for peace of mind, you must be sure your child is properly strapped into a good car seat. You also must be certain the seat isn’t expired. With a bit of effort, you can likely accomplish both goals.

Best Car Seat Buyer’s Guide: Best Cosco Car Seat

car seat mart

Automobile crashes are the number one killer of children between the ages of three and 14. In fact, nearly 1,000 kids die in car collisions every single year in the United States alone. More than 150,000 children sustain injuries during car wrecks. These are scary statistics that should worry parents everywhere. Fortunately, car seats are a proven way to keep kids safe when they are on roads and highways.

As you probably know, there are thousands of car seats on the market today. Trying to determine which is the best for your kids can seem daunting. We are here to help. We reviewed car seats from Cosco, a leading manufacturer. Read on to see which Cosco car seat is the best in our opinion. Whether you choose to buy one of the seats on our list or opt for another, we hope you use the information in this article to make an informed purchase.

Cosco Car Seat FAQs

​1. What Is a Cosco Car Seat?

​Cosco car seats are supplemental seats that restrain children inside motor vehicles. The company makes seats for infants, toddlers, young children and older kids. These seats attach to anchor points inside your car, using your car’s seatbelts or the attached straps. They are available in a variety of styles, sizes, colors and finishes.

​2. What Does a Cosco Car Seat Do?

​Cosco car seats protect children by restraining them inside your vehicle. These seats also provide a comfortable, safe place for your kids to sit when they are in the car.

​3. How Do Cosco Car Seats Work?

​Cosco car seats work by holding children firmly in place when they are in the car. These seats have restraint belts that protect kids from injury during motor vehicle accidents. You install the seats inside your vehicle using anchor points and its existing seatbelts or the straps attached to the car seat. You can easily remove Cosco car seats and relocate them to a different car.

​4. Where Can You Buy Cosco Car Seats?

​Cosco car seats are available for sale either online or at many brick-and-mortar retailers. If you are shopping online, you can buy them either from the Cosco website or another online seller, such as Amazon.com. Alternatively, shop Target, Walmart and other major stores for Cosco car seats.

​How We Reviewed Cosco Car Seats

We take our obligation to provide you with accurate, reliable information seriously. Therefore, in our attempt to create an unbiased review list of the best Cosco car seats, we reviewed technical specifications about each seat. Specifically, we looked at the following:

  • Safety Ratings – The purpose of Cosco car seats is to keep children safe. Therefore, we carefully considered the effectiveness of each seat. For a Cosco car seat to make our survey, it must rate highly in the safety department.
  • Usability – If a Cosco car seat is difficult to use, you may be tempted to leave it at home. Of course, the car seat doesn’t do your child any good if it is sitting in your garage. As such, we weighted usability higher than most other criteria. A Cosco car seat must be simple to use to earn a spot on our list.
  • ​Durability – Child car seats get a tremendous amount of use, so to make our list, Cosco car seats must hold up to the punishment of excessive usage.
  • Appearance – We recognize that many motorists care about the look of their vehicles. Accordingly, we thought about the overall aesthetic of each Cosco car seat when developing our rankings. While appearance is not as important as safety rating or usability, we did add it into our evaluation equation.

​While much of our review comes from published material from Cosco, we have also read through dozens of customer reviews. Whenever appropriate, we tell you the good, bad and indifferent experiences of those who actually bought and used Cosco car seats.

The Top 10 Best Cosco Car Seats: Rankings, Ratings and Reviews

The Winner: Cosco Comfy Convertible Car Seat​

Cosco Finale DX 2-in-1 Booster Car Seat, Sweet Berry Buy on Amazon

​The best Cosco car seat in our estimation is the Comfy convertible car seat. This product is perfect for children who weigh between five and 50 pounds, making it one of the most versatile car seats on our list. When installed facing the rear, babies up to 40 pounds ride safely and comfortably in your car. For heavier kids, the forward-facing installation is optimal. Either way, children benefit from a five-point harness system. Parents appreciate the easy installation and adjustability. We love the side-impact technology and reinforced construction.

Key Features

  • ​Appropriate for kids who weigh five to 50 pounds
  • ​Five-point harness system
  • ​Side-impact technology


  • Washable fabric
  • Comfortable ride
  • Easy installation


  • Large size
  • Heavy weight

​The Runner-Up: Cosco MightyFit 65 DX Convertible Car Seat

Cosco Mighty Fit 65 DX Convertible Car Seat (Heather Onyx Gray) Buy on Amazon

​The second car seat on our list could easily have been the first. The Cosco MightyFit 65 DX convertible car seat keeps kids safe as they grow. In fact, this seat is perfect for children from five to 65 pounds. Like the Comfy convertible car seat, the MightyFit 65 DX seat offers both forward and rear-facing installation option. Its side-impact technology and five-point harness system compare to the Comfy convertible car seat as well. Some users find this seat to be difficult to clean, though, causing us to rank it second on our list. Nonetheless, for a good, all-around car seat, the MightyFit 65 DX convertible car seat is an excellent choice.

#3: Cosco Ambassador Backless Booster Car Seat​

Cosco Topside Backless Booster Car Seat (Leo) Buy on Amazon

​Unlike the first two entries on our list, the Cosco Ambassador backless booster car seat isn’t appropriate for a wide range of children. Instead, this seat works for older children who weigh between 40 and 100 pounds. The seat boosts kids so they can use your vehicle’s seatbelts safely and comfortably. This product has a lightweight design and offers substantial support.

#4: Cosco Lift and Stroll Plus Travel System

Cosco Lift & Stroll Travel System - Car Seat and Stroller – Suitable... Buy on Amazon

​If you want to combine a car seat and stroller into one useful device, the Cosco Lift and Stroll Plus Travel System is worth a look. The car seat attaches to a functional stroller quickly and easily. When you are ready to take a trip in the car, simply detach the car seat and install it in your vehicle using the four-point harness system. Since it allows you to combine equipment, we like this car seat quite a bit. Still, this car seat is the most expensive one on our list.


​#5. Cosco Finale DX 2-in-1 Booster Car Seat

Cosco Finale DX 2-in-1 Booster Car Seat, Sport BlueBuy on Amazon

​The Cosco Finale DX 2-in-1 booster car seat eliminates the need for car seat upgrades as your child ages. Instead, you use the first setup of this seat for children up to 65 pounds and the second one for kids who weigh up to 100 pounds. We like the cleanability of this seat. Some users, though, complain about the thin padding. Nonetheless, the affordable budget, included cup holders and machine-washable fabrics make this a decent car seat.

​#6: Cosco Easy Elite 3-in-1 Convertible Car Seat

Cosco Easy Elite 3-in-1 Convertible Car Seat, BijouBuy on Amazon

​Like the DX 2-in-1 seat, the Easy Elite 3-in-1 convertible car seat is useful for your growing children. Its rear-facing installation works for children up to 40 pounds. A forward-facing option protects kids who weigh up to 65 pounds. Then, remove the sides and boost kids who weigh up to 80 pounds. Unfortunately, this car seat is not appropriate for heavier children. It can also be difficult to convert and time-consuming to install. Still, we like the usability and design of the Easy Elite 3-in-1 convertible car seat.

#7: Cosco Apt 50 Convertible Car Seat

Cosco Apt 50 Convertible Car Seat (Black Arrows)Buy on Amazon

​The Cosco Apt 50 convertible car seat is simple and sleek. It is also effective at protecting children who weigh up to 50 pounds. The seat’s five-point harness system is intuitive. Fashion-conscious parents love this seat, as it comes in a couple vibrant, cool colors. Even better, the included cup holders and washable fabrics make this seat ideal for busy families. Still, while this seat has six harness heights, some users reported discomfort with harness positioning.

#8: Cosco Rightway Booster Car Seat

Cosco Rightway Booster Car Seat, Emerson Buy on Amazon

​Another excellent booster from Cosco is the Rightway. This seat is a belt-positioning booster that accommodates children who weigh between 40 and 100 pounds. Its adjustable headrest supports growing kids. Further, the lightweight design and durable construction make this seat optimal for busy, active families. Some customers expressed disappointment with the stain-resistant fabric, noting that it has a rigid feel. We like this seat for its affordable budget and easy installation.

#9: Cosco Rise Booster Car Seat

Cosco Highrise Booster Car Seat, GreyBuy on Amazon

​Boosters don’t have to be complicated to be effective. The Cosco Rise booster car seat gives your growing children the boost they need to use your vehicle’s standard restraint system. This seat works well for children who weigh between 40 and 100 pounds. It includes armrests to promote a safe ride. Still, the armrests are not padded, meaning this booster can be a tad uncomfortable on long trips. It is incredibly affordable, though, making this seat ideal for budget-conscious shoppers.

#10: Cosco Light ‘N Comfy 22 DX Infant Car Seat​

Cosco Light N Comfy DX Infant Car Seat, Blue Elephant PuzzleBuy on Amazon

​The last Cosco car seat on our list is the Light ‘n Comfy 22 DX infant car seat. This one features comfortable fabrics, plush padding and a reclined design. We ranked this seat last on our list due to its limited functionality. That is, this seat is only appropriate for infants. After your baby weighs more than 22 pounds, you must upgrade this car seat. Still, we love its security features and printed patterns.

​The Verdict

Keeping children safe when they are traveling in motor vehicles must be a top priority for parents everywhere. Cosco has a complete line of car seats, with each offering designed to meet different needs. The best in our opinion is the Cosco Comfy convertible car seat. This all-around car seat is appropriate for children as they grow from infants to toddlers. If you are looking for a car seat for larger children, the Rightway is hard to beat. This seat provides comfort and protection to kids until they are big enough to use your car’s restraints without assistance. Whether you choose to purchase a Cosco car seat from our list or a different one, we hope you use the information in this article to make a smart purchase.