Airline Approved Cat Backpack: The large pet backpack measures 15'' L x 12.6'' W x 16.5'' H. Perfect for pets under 15 lbs. Easily fits cats, small dogs, and most other small/medium-sized animals![Most airline approved under seat. Please check your airline regulations before departure.].Breathable & Visible Cat Carrier: Three-sided tear-resistant PVC mesh design ensures ventilation and visual-ability, suitable for pets to travel for a long time and convenient for you to see your pet inside. A cat feather toy included to increase the interaction between you and your kitty..Comfortable Pet Carrier for Dogs: Removable cosy mat make your pet comfortable and hygienic. Front window can be easily opened and let your cat or dog head out to keep a close eye on their surroundings. Latch hook prevents pet from escaping. There're three entrances—2 side doors and top window for getting in and out conveniently..Foldable & Ergonomics Cat Bag Carrier: You can easily fold up your cat carrier backpacks and it will only take up very little space. With back bulge ventilation design, padded adjustable shoulder straps and chest buckle reduce the pressure on the shoulder, back and waist..Travel Friendly: Our kitten carrier backpack is scratch-resistant, rugged and durable for long use, strong enough to resist a scratch or bite from your pet. The side pockets are perfect for dog treats or your personal belongings! Perfect for traveling, hiking, walking and other outdoor activities.