Please measure the size before buying. Standard : 56"W x 60"L X-Large: 60"W x 64"L Package: -1xDog Back Seat Cover -1xDog Seat Belt -2xDog Slide Straps Why choose us: 1. Unique design and appearance: The full mesh window has a zipper in the middle, which provides an open view for the dog, so that your dog can clearly see you at any time. When the dog and child are sitting in the back seat, you can always see their situation, maintain good air circulation. 2. Safety:The headrest straps and the side straps fix it in place to prevent it from sliding left and right, and avoid to dog to injury during sharp turns or emergency barking. The safety belt opening ensures the safety of dogs and children. The anti-slip anchor prevents slipping when braking. 3. Strong waterproof: Two waterproof layers to prevent the seat from getting wet, soil-resistant for you car seat . Provide a dry and hygienic environment for vehicles. 4.Comfortable and durable: tear-resistant material, it’s scratch-resistant