Increasing 65% & HOLDS 400LBS- Our hard bottom dog car seat cover features 3 reinforced load-bearing plates, extending your backseat space by 65% and turning your backseat into a cozy dog bed. This back seat extender supports up to 400lbs, making it perfect for large breeds or multi-dog families. WATERPROOF & SCRATCH-RESISTANT -This dog hammock for car seats combines 8-layer waterproof Oxford fabric and scratch-resistant door guards to shield against spills, mud, and claws. Protect your car’s interior like a pro after every adventure. EASY TO CLEAN & EASY TO INSTALL - Thanks to the removable board design, our dog car seat cover hard bottom is machine washable, or simply wipes clean. Simply unfold our dog back seat cover in car, secure the buckle, and clip the straps to the headrest for a hassle-free setup. ALL-IN-ONE: SAFETY, COMFORT & STORAGE - Featuring a non-slip base, this pet seat cover for back seat prevents sliding during sharp turns, seruring your dogs. The storage pockets hold essentials. The mesh window lets air flow, our dog seat cover for back seat would keep your dog secure and your car pristine! UNIVERSAL FIT & PORTABLE - Universal sizing (63”x52”) fits most cars. SUVs, and small trucks. And the lightweight design folds into a portable unit. Use our dog seat pet cover for dogs to give your dog the comfort they deserve—and yourself a spotless car! Back Seat Extender for Dogs Hard Bottom, Dog Car Seat Cover for Backseat, Holds 400lbs, Waterproof & Nonslip Pet Seat Door Protector with Mesh Window, Storage Pockets, Dog Bed Hammock for SUV Truck