Features & Details Extra-Large Space for Trucks: Struggling with limited backseat space? This Back Seat Extender is specifically designed for trucks, using a heavy-duty board to expand your backseat by 40%, offering a spacious and comfortable area for your dog to enjoy every ride. Sturdy & Reliable Support: The bottom features thickened plywood with a 400lbs weight capacity, ensuring a flat and stable surface. This Dog Car Seat Cover for Back Seat Bed is perfect for large dogs, providing a secure and comfortable travel experience without the risk of collapsing. Premium Multi-Layer Protection: Constructed with 7 layers, including waterproof and scratch-resistant fabric, this Dog Car Bed offers durability and protection. The non-slip bottom ensures secure stability, while the tough materials resist wear from your dog’s claws, extending the cover’s lifespan. Simplified Cleaning: Crafted from waterproof, scratch-resistant 600D cationic fabric, this waterproof dog hammock for car is easily removable and washable, making it effortless to keep your truck's backseat clean. Interactive Mesh Window for Comfort: The detachable mesh window, equipped with slider zippers, allows you to easily interact with your dog during the ride, helping to relieve anxiety and keep them calm and comfortable. It also includes a safety belt to ensure secure travel.