Why it matters
Three honeycomb boards make a flat bed across the back seat and footwell. Chumajor lists a six-layer build with 600D Oxford, support for up to 400 lb, zippered side flaps that cover the doors and a mesh window. A seat belt, two hammock straps and a storage bag are included.
Who it's for, and who should skip it
Good fit if
- Large dogs
- Pickups, cars and mid-size SUVs
- Budget buyers
Look elsewhere if
- Back seats used by passengers
- Crash restraint
- Full-size trucks (check size)
Pros and cons
Pros
- Low price
- Door flaps
- Seat belt included
Cons
- Blocks passengers
- Bulky
- Not a restraint
Limitations to weigh
- An extender gives a flat platform; it does not restrain your dog. Pair it with a harness and tether.
Specifications
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Material | 600D Heavy Duty Oxford Cloth, honeycomb board | Retailer |
|---|---|---|
| Features (seller) | Extendable | Retailer |
| Model number | GD148A | Retailer |
| In the box | 1 xStorage bag, 1x Dog Back Seat Extender, 1x Seat Belt, 2x Hamock Straps, 3 x Honeycomb boards | Retailer |
| Uses (seller) | Car, Car Seat, Dog Car Seat, Suv, Truck | Retailer |
Alternatives worth comparing
More car travel gear we cover
Final verdict
One of the best-value extenders for big dogs.
Where to buy
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Questions buyers ask
How much weight does the Chumajor extender hold?
Up to 400 lb, per the listing.
What comes in the box?
The extender, three honeycomb boards, a seat belt, two hammock straps and a storage bag.