?The side door and the small opening on the top are made of anti-tear mesh, which allows you to keep your eyes on your pet and take care of your pet to the utmost extent and keep it comfortable and ventilated ?Made of waterproof PVC fabric, no worries about rainy days. The washable pad at the bottom is easy to clean. ?This pet backpack is also a backpack, and can also be used as a pet's car booster. The foldable design makes it easy to store when not in use. ?This bag has a handle and an adjustable padded shoulder strap. It can also be fixed in your car, providing you with multiple options for bringing your pet ?There is a storage bag on the front and side. Keep pet necessities such as leash, water, garbage bag or pet food when you go out.