Lekereise Cat Backpack Expandable Pet Carrier Backpack for Small Cats and Dogs, Airline-Approved Foldable Dog Carrier Backpack with Inner Safety Leash, GreyCollapsible and Expandable The cat backpack carrier with an expandable back that gives your pet more room to move around and reduces their anxiety. Collapsible design helps you to save space when not in use. BREATHABLE and VISIBLE There are 4 7 (when expandable or non expandable) tear resistant breathable mesh on the front, top and sides of the cat backpack, which makes it more ventilated and convenient for you to see your pet inside. The top of the