URPOWER 2026 Upgraded Back Seat Extender for Dogs - Large Hard Bottom Dog Car Seat Cover Holds 550lbs, Waterproof Dog Hammock Pet Bed with High-Density Foam Non-Slip Backseat Protector for Cars, SUVsBrand: URPOWER Color: Black Features: Large Hard Bottom Design Back Seat Turns into Dog Car BedSay goodbye to cramped backseats. The large hard bottom design extends your back seat by 45%, giving your dog more room to stretch and relax. Built for heavy duty use, it supports up to 550 lbs, perfect for 3 large dogs. Unlike flimsy multi panel designs that sag or buckle, our solid 3 panel structure stays flat and stablecreating a secure, floating bed for