Back Seat Extender for Dogs, Dog Car Seat Cover with Hard Bottom,Dog Hammock for Car Backseat Protector Waterproof Dog Car Seat Bed with Mesh Window for Cars,Trucks,SUVsLARGE SPACE & STRONG SUPPORTBIKAEIK'S back seat extender for dogs turns all the space in the back seat into a resting space for dogs with 8 sturdy load bearing plates built in. Provides strong support of up to 350 pounds for your dog, making it ideal for larger dogs and multi dog households. MESH WINDOW & STORAGE SPACEThe car back seat protector has a mesh window that increases air circulation and allows your pet to see you, reducing the anxiety