GeerDuo Cat Backpack, Airline Approved Bubble Carrying Bag for Small Medium Dogs Cats, Space Capsule Pet Carrier Dog Hiking Backpack Travel Carrier (Pink)Brand: GeerDuo Color: Pink Features: Breathable and Perspective: Cat backpack has 9 vent holes plus 2 side windows to feature complete air circulation and ventilation outdoor, even if the weather is hot, the pet will not feel sultry in the backpack. Space Capsule Apperance: Cats Love to Keep a Close Eye on Their Surroundings. The pet backpack uses a transparent window design, your cat will enjoy the trip more. Smooth zipper is easy to open and close.