Highlights - 1.Maximize Space - Struggling with limited backseat space? This Back Seat Extender for Dogs uses a heavy-duty board to expand your backseat by 40%, giving your pet a larger, more comfortable area to enjoy every ride. 2.Heavy-Duty Stability - The bottom features thickened plywood with a 400lbs weight capacity, providing a flat and stable surface for dogs of all sizes. This hard bottom dog car seat cover ensures your pet's comfort and safety by preventing any collapse during travel. 3.Durable Multi-Layer Protection - Constructed with 8 layers, including waterproof and scratch-resistant fabric, this dog hammock for car is designed to withstand wear and tear from your dog's claws, ensuring long-lasting protection and stability. 4.Easy to Clean & Maintain - Made from 600D cationic fabric, which is finer and more durable than standard Oxford cloth, this dog car seat cover is waterproof, scratch-resistant, and easily removable and washable, keeping your car's interior clean and h