Features: Material: ABS & fabric. Product Size: 32*27*44.5cm Temperature sensor to control the air automatically or manually in 3 gears. Dark brown window helps to reduce external stimuli. Shock absorption back plate reduces the weight. More space for pets to move inside the bag. Metal plated foot pads prevent falling when place the item on the floor. Bag is detachable from middle Color: Green/Pink   About this item:[Take Your Cat Out to See the World with PETKIT]: We designed this cat carrier backpack with a generous window so your pet can enjoy the scenery! The tinted window keeps out harsh light, providing a calming place for your cat to travel in comfort   [Easy and Breezy]: With mesh panels and multiple ventilation holes, plus our clever Coanda Effect ventilation system, your pet will enjoy great air circulation on the go. The quite, built-in fan provides fresh airflow for your precious cat(or small dog) to keep the temperature inside comfortable. If you want the best for your pet, you can't go wrong with PETKIT!   [Light The Night For Your Pet]: No fumbling for a switch in the dark! A simple double tap of the controls will gently and gradually illuminate the interior so it doesn't startle your resting kitty, allowing your pet to see their surroundings-and allowing you to peek in on your pet.   [Made to Last]: We made our backpack from strong and durable materials so you don't need to worry about damage done by clawing or gnawing, while alos ensuring your cat's complete comfort   [Eye-Catching and Lightweight]: Entire backpack is about 3 lbs.:13" L x 12" W x 18" H (Airline Approved- generally acceptable for use, please do consult your airline before traveling).   Suggested for: 0-17lbs pets. Detachable pad allows a pet to wad back and sit inside. The pocket on the side can be used to fill in pet snacks   Please note: The fan needs a power bank. Power bank is not included.