halinfer Backpack to Carry Cat and Small Puppy up to 16 Pounds, Breathable Pet Carrier to Transport Kitten Rabbit to Vet Visit Bag, Airline Approved Collapsible Expandable BlackBrand: halinfer Color: Black Features: 2025 Ventilation Design with 3 sides fully ventilation cat backpack carrier. This pet carrier backpack for cat and small dog, is design for outdoor hiking and travel for a long time without worrying about pet stuffiness inside. 3 side ventilated mesh material features the best ventilation and air circulation ever. Also give wider perspective view and allow pet to enjoy the sunshine and scenery with your outing.