Car Seat Extender for Large Dogs, Back Seat Extender for Dogs up to 120 LBS Large Dog Extender with Storage Car Organizer Gap Filler for Front or Back Seat

Price: $71.99 - $39.99
(as of Mar 17, 2026 03:09:58 UTC – Details)

Product description

2 Sizes for Choices

The size of this dog car seat extender is 20.0″L x 11.2″W x 14.4″H, fits the front seat and back seat.

There are 2 Sizes:

Small: 19.1 x 10.4 x 13 inLarge: 20.0 x 11.2 x 14.4 in

Please check the gap size before purchase to make sure if the car seat extender fits.

Why do we need car seat extender for dogs?

MULTI-APPLICATION TO MEET YOUR DIFFERENT NEEDS Car Seat Extender

Prevent your dog from falling off the seats and avoid injuries.

Car Trunk Storage

Be placed in the car trunk for storage, makes car clean and tidy.

Car Stairs for Dogs

As a stair for dogs to get in and out of the car, stable and safety.

Storage Box

Put it in the car as a storage case, easy for taking and placing.

Product Detaiils

Get more for your dogs or cats

Add to Cart

Add to Cart

Customer Reviews

4.6 out of 5 stars 361

4.8 out of 5 stars 80

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4.0 out of 5 stars 51

Price

$39.99$39.99

$59.99$59.99

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$24.99$24.99

$19.99$19.99

Color

Black

Black

Black or Grey

Black

Grey

Black

Suitable weight

120lbs

25lbs

20lbs or 45lbs

30lbs

20lbs

20lbs

Fits for

Large Dogs

1 Dog

up to 20lbs or 45lbs

up to 30lbs

1 Small dog

1 Cat

Applicable seat type

Front & Back & Trunk

Back Seat

Car Seat

Front & Back

Front & Back

Front & Back

Removable Plush Liner

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Foldable

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Adjustable

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Product Dimensions ‏ : ‎ 20 x 11.2 x 14.4 inches; 6.37 Pounds
Date First Available ‏ : ‎ February 25, 2024
Manufacturer ‏ : ‎ UNICITII
ASIN ‏ : ‎ B0CSFCF856
Best Sellers Rank: #12,781 in Pet Supplies (See Top 100 in Pet Supplies) #39 in Dog Booster & Car Seats
Customer Reviews: 4.6 4.6 out of 5 stars (361) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
【DOG CAR SEAT EXTENDER】: Our car seat extender for large dog can be used in the back seat or front seat area, strong enough for pets up to 120 lbs. It gives your dog room to spread out. The large dog car seat fully expanded measures 20.1″L x 11.4″W x 14.2″H, and fits most cars, trucks, and SUVs. Please measure the gap before purchase.
【ENJOY CAR TRAVEL WITH PETS】: Great support for dog’s feet when it lies down in the seat and prevents it from falling off the seat during sharp turns and quick stops. Make your dog feel more secure and comfortable during drives. It also create enough room for dogs to stretch out or stand up, so that they can view the outside view of the car.
【EXTRA STORAGE SPACE】: The dog car seat extender includes a divider for adjusts, can be freely assembled into 3 or 4 storage spaces, which ensures items placed within refrain from rolling or tipping. You can organize small things or pet supplies perfectly to keep the whole car tidy. And you can fold it away for storage when not in use.
【MULTIPLE USAGE】: This product is not only a dog car seat extender, but also a car organizer. It can also be used as seat storage units to fill with food, blanket, dog toys and more. Man also can place it in the trunk while you want to storage something in the back. It also can be used as a pet stair for getting on or off the car.
【THOUGHTFUL DESIGN】: Made of 600D scratch-resistant Oxford, which will make it easier to wipe off dirt and mud. It features a lid and 2 easy-move handles to lift the box easily, a stable embedded hollow board structure. The bottom is non-slip, effectively ensuring pet safety while you driving.