Back Seat Extender for Dogs - Large Space, Heavy-Duty Dog Car Seat Cover for Back Seat with Hard Bottom Holds 420lbs, Waterproof 600D Upgraded Material Dog Hammock for Car,Easy to Use and CleanBrand: Eamefia Color: Black Orange Features: & Transform your back seat into a spacious dog hammock for car! This heavy duty back seat pet cover for dogs expands to 52"x25", adding 40% more activity space for large breeds or multi dog families. The hard bottom supports 420lbs, while the EVA non slip backing keeps the cover stable let your pups stretch safely on long trips! Engineered for maximum durability, our upgraded back seat pet cover for dogs