Premium Scratch-Resistant PU Leather: the backseat cover for dogs in car with 7-layer construction creates a 100% waterproof barrier against mud and spills. Protects seats from dog claws while maintaining a sleek, car-interior-friendly look. Reinforced PVC Hard Bottom & Anti-Slip Design: With detachable rigid PVC board provides stable weight distribution (holds up to 450 lbs), while anti-slip rubber backing grips seats securely - safer for pets and drivers. Adjustable and Universal Fit: this dog hammock for car with Adjustable straps and seat belt anchors ensures secure installation in sedans, SUVs, and trucks. Converts from dog hammock to flat mat in seconds ensuring a snug fit for pets of all sizes. 45% Extra Space & Easy Cleaning: Measuring 51.2 x 24.8 , the hard bottom back seat extender for dogs provide 45% extra space and 450 lbs support. The PU leather surface makes cleaning effortless just wipe away mud, fur, or spills in seconds. Plus, the detachable PVC board allows for compact, hassle-free storage. Multi-Scenario Versatility: Easily transform it into a hammock-style pet seat cover to keep your dog safe and comfortable during road trips, beach outings, picnics, or daily drives. Designed for maximum adaptability, it s perfect for any adventure or everyday use.