Please measure the size before purchasing. Standard: 56W x 60L X-Large: 60W x 64L Package: -1xDog Back Seat Cover -1 dog seat belt -2 sliding dog straps Why choose us: 1. Unique Design and Appearance:The full mesh window has a zipper in the middle, which provides a clear view for the dog, so your dog can see you clearly at all times. When the dog and child are sitting in the back seat, you can always see their situation, maintain good air circulation. 2. SafetyHeadrest straps and side straps secure it in place to prevent it from sliding left and right, and avoid injury during sharp turns or emergency barking . The opening of the seat belt ensures the safety of dogs and children. Non-slip anchor prevents slipping when braking. 3. Waterproof: Two layers waterproof to prevent the seat from getting wet, dirt resistant for your car seat. Provide a dry and hygienic environment for vehicles. 4.Ccomfortable and durable: tear-resistant, scratch-resistant and soft material. Heavy duty dog car hammock for cars, trucks, SUVs. It can hold the weight of most dogs, your dog will love it. Stylish appearance, perfect gift for relatives and friends. 5. Convenient Installation: It can be quickly removed and installed in 60 seconds, foldable side flaps are convenient for dogs to get in and out of