Features 1.  Expandable Design: This cat backpack carrier with a expandable back panel can be easily expanded to large bubble tent bed, which will provide more space for your pets to stretch out, play and have a rest during traveling. 2.  Ventilate & Breathable: Equipped with holes, our dog backpack can ensure fresh air for your cat and puppy. And the breathable meshs material can provide a perfect ventilation to you and your pet. 3. This pet carrier is super functional and cool also well made. Made with High-Quality Safe Materials, Easy Clean and Lightweight. The pocket on the other side is nice to fill in pet snacks. 4.  Portable and Shoulder-Wear: Padded shoulder straps pet carrier backpack with adjustable chest buckle for travel and hiking outdoor activity 5. Suggest for cats from 0-12lbs and small dogs from 0-10lbs to leave enough room inside to turn around. Airline Approved backpack for cats and puppy. Super wear-resistant shell perfectly against biting and scratching by pets. Specification Material: Oxford cloth Color: Grey, Black, Pink, Yellow, Green Size: 42 x 33 x 28 cm Weight: 1200 g Package Include: 1x Pet Carrier Backpack