[+50% Expand Space for Comfort Journey]: Amadaw backseat extender for dogs expands 50% backseat space, creating a super comfortable back seat car bed, allowing your dog to move around or lie down and stretch their limbs easily during long car rides. [Upgrade Hard Bottom Supports Large Dog]: The back seat extender for dogs hard bottom equipped with 4 pieces of detachable honeycomb boards, tested to load 450 pounds, even support three dogs without collapsing. Ideal for large dogs and multi-dog families. [7-Layer Material Protect Car Seat]: The dog seat cover for back seat adopts 7-layer no smell premium material. Double waterproof layers ensure does not seep. The enclosed side design keeps your seat cleaner and protects it from scratches, mud, saliva and hair. [Non-Slip for Secure Ride]: Bottom non-slip dot rubber and seat anchors make the truck dog seat cover back seat more secure. Also, with the included dog seat belt, you can secure your dog on the back seat bottom safety belt buckle to keep your dog from falling. [Universal Fit for Most Vehicles]: With dimensions 53" x 25", this hard-bottom dog seat cover perfectly fits mid-size SUVs, sedans, and trucks like Toyota RAV4/Camry, Honda CR-V/Accord, Ford Explorer/F-150, Jeep Grand Cherokee, and Chevrolet Colorado, etc. [Easy Installation Clean Storage]: Installing is a breeze. Just spread the back seat pet cover for dogs and buckle the strap. Use a damp cloth or vacuum for daily cleaning. When not in use, it easily disassembles and stores in your car's rear outer box. [Mesh Window Reduce Pet Anxiety]: The dog car seat cover for back seat hard bottom with a mesh window, allowing air circulation and helping dogs keep calm when traveling. Also, you can store pets' toys, treats, and other essentials in the storage pockets