PROZAR
PROZAR Back Seat Extender for Dogs
Hard bottom back seat extender supporting up to 400 lbs with waterproof cover.
Dogscar safety
"
Why We Picked It
- Hard bottom design supports up to 400 lbs
- Extends back seat into a stable platform
- 6-layer waterproof, tear-resistant fabric
- Fits most cars, mid-size SUVs, and trucks
Last reviewed: January 2026
About This Product
Hard-bottom seat extender that fills the footwell gap, creating a flat sleeping platform. Supports up to 400 lbs—great for large dogs on road trips.
Best For
Large dogs
Long road trips
Dogs who pace in cars