1、Breathable And Comfortable: Pet carrying backpack is designed with ventilation holes and mesh to ensure better breathability, comfortable and not stuffy. 2、Multipurpose: The size space of the pet cat carrying backpack can be switched at any time, and it can be used as a pet house bed after expansion. 3、Zipper Closure: This cat backpack carrier is designed with large zipper opening, allowing easy access for pets, suitable for most cats and puppies. 4、Large Window: Cat travel backpack with a panoramic view to meet the curiosity of pets, you can also observe the state of your pet at any time. 5、Lightweight And Portable: The pet carrying bag has widened shoulder straps to evenly distribute pressure. Fashionable design, easy to travel.