1.[Upgrade 7-Layer Thickened Padded]Unlike other flimsy dog back seat covers or dog hammocks for the car, our rear seat pet cover for dogs increase 2 centimeter thick sponge added to its bottom. With its unique 7-layer design and heavy-duty materials, this car seat cover for pet provide strong support even for the largest of dogs, while keeps the backseat dry and clean. 2.[Extender 40% Space]The hard bottom dog car seat cover turns it into a car bed and fully covers the rear area. This car seat protector for dogs makes the dog's activity space larger, allowing your dog to walk around or stretch their limbs easily, easing the dog's anxiety during long car trips. Ideal for large dogs, older dogs, or the backseat of a multi-dog family. 3.[ , Cleaning&Anti-Scratching] dog hammock for car back seat can fully covers back seats and doors, keeping your backseat cleaner and preventing scratches and abrasions on the back seat made by your dog's hair, slobber and claws. 4.[No More Pets Falling]Our back seat pet cover can cover the whole back and surround, both front and back seats, bottom, and sides of both doors, which helps you solve the problem that dog is easy to fall from the back seat when the dog is mischievous active or emergency brake. 5.[Breathable Window & Handy Storage]Our hard bottom dog seat cover is designed with a mesh visual window, allowing your dog to get better air circulation as well as interact with you and reduce anxiety. And this dog back seat extender also has two large capacity storage pockets to put your dog's toys treats, and other essentials. 6.[Easy To Install]Installing and removing the dog hammock for car is simple. Just unfold the dog back seat cover over the back seat, buckle it up, and loop the straps over the headrest poles.