[FULLY BREATHABLE MESH DESIGN: This cat backpack is three-sided mesh providing safe and comfortable travel for your pet. Fully mesh design ensures ventilation and visual ability suitable for pets to travel for a long time AN OPENING WINDOW FOR YOUR PET TO HEAD OUT: The front window can be opened and let your cat head out. The back and shoulder straps have extra thick padding for more comfort during long trips. This cat backpack comes with a chest buckle to give you extra support LIGHT & COMFORTABLE: This pet carrier helps you with hands-free carrying and makes it the safest and most convenient pet carrier backpack for your travel. There are two entrances—a big side door and a top window for getting in and out conveniently CAT BACKPACK CARRIER DIMENSIONS: 11.8" L x 9.8" W x 16.14" H. Perfect pet carrier backpack for cats and small dogs up to 17 lbs. It\s portable and easy to store DURABLE and FUNCTIONAL: The ventilation mesh is made of superior material that is scratch-resistant and sturdy for long-lasting use. The side pouches are also perfect for a can of Friskies or a bag of treats]