Highlights: 1.Maximize Your Dog's Comfort: Our back seat extender for dogs expands your backseat by 40%, offering a spacious and comfortable area for your furry friend to stretch out and enjoy every ride in your car, SUV, or truck. 2.Durable Honeycomb Bottom: Featuring a strong honeycomb bottom, this dog back seat extender for car supports up to 350lbs, providing a stable, flat surface that prevents sagging or collapsing, ensuring a safe and secure space for dogs of all sizes. 3.Premium Multi-Layer Protection: Made with 7 layers, including waterproof and scratch-resistant fabric, this dog car seat cover features a non-slip bottom that keeps your dog secure while extending the cover's lifespan. 4.Washable & Waterproof Fabric: The top layer is crafted from 600D Oxford cloth, which is waterproof and scratch-resistant. This dog seat cover for back seat is easily removable and washable, keeping your car clean and your dog happy with minimal effort. 5.Breathable Mesh & Extra Safety: 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. Details: