Features & Details Maximize Space&Flexible Use: Our Back Seat Extender for Dogs increases your backseat area by 40%, providing a spacious and comfortable spot for your dog during every trip.and the side panels can be removed for felxible use. Heavy-Duty Stability: This hard bottom dog hammock for car is built with thickened plywood, supporting up to 400lbs. It ensures a stable, flat surface that won’t collapse, making it perfect for dogs of all sizes. Multi-Layer Protection: Constructed with 8 layers, including waterproof and scratch-resistant fabric, this hard bottom dog car seat cover for back seat is designed to withstand daily wear and tear, extending its lifespan. Washable & Waterproof: Made from 600D cationic fabric, this waterproof seat extender for dogs is easy to clean and maintain, ensuring your backseat stays clean and hygienic. Breathable & Secure: The dog hammock for car features a breathable mesh design to keep your dog cool and reduce travel anxiety. It also doubles as