The PETKIT Evertravel Pet Backpack is the perfect way to keep your cat safe and comfortable while you are on the go. The backpack features an intelligent fresh air system with a built-in temperature sensor that provides manual or automatic control. With a durable waterproof outer shell made of lightweight materials, this backpack is easy to carry and will keep your pet dry on a rainy day. The inside of the carrier is lined with scratch-resistant materials and features a washable soft pad on the bottom so your pet stays comfortable.