A backpack designed specifically for chubby pets, with a built-in steel wire frame, a three-dimensional super large space, and super strong load-bearing capacity; The fabric is made of environmentally friendly 600D waterproof Oxford cloth, which cares for the health of pets; There are multiple breathable windows that are breathable and not stuffy, and a windshield curtain that can be used all year round; There are multiple pet import and export facilities, suitable for pets of different sizes to enter and exit; It has a large capacity pocket, built-in safety lock, foldable, saves storage space, versatile, and can be used in conjunction with a pull rod.