SHARLOVY Back Seat Extender for Dogs is a large, waterproof pet car seat cover designed to provide extra room and protection for your dog during travel. Made with 6-layer fabrics including strong 600D Oxford, it features a hard bottom and extender to create almost 40% more space, allowing your dog to move freely and stretch comfortably. The cover includes four sides flaps as safeguards, preventing accidental falls during sudden stops, and is suitable for aggressive chewers thanks to scratch-resistant fabric. The adjustable straps, safety anchors, and dog harness ensure anti-slip security, while the mesh design promotes airflow for comfort. Compatible with SUVs, trucks, and family cars, it is foldable and easy to install, with quick cleaning options. Perfect for large dogs and active pet owners, it keeps your vehicle clean and secure, making every trip safe and enjoyable.