54 x 25.6 in Dog Car Seat Cover for Back Seat Waterproof 600D for CarsHighlights: 1. Expand Your Dog's Space: Struggling with limited backseat space? This Back Seat Extender uses a heavy duty board to expand your backseat by 40%, offering a larger, more comfortable area for your dog to enjoy every ride. 2. Stable & Sturdy Design: The bottom features a strong honeycomb board that supports up to 350lbs, making it an ideal Dog Car Seat Cover for Back Seat Bed. It provides a flat, stable surface, perfect for dogs of all