Breathable Material - Made of cationic linen + breathable mesh, eco-friendly polyester inner material, roller shutter window, breathable and visibility to ensure your pet's comfort, feel relaxed and rest. Safety Buckle - Inner reinforced structure, the dog carrier backpack with leash which is helpful to keep your pet safe inside, double zippers have a lockable function to ensure that your naughty friend cannot open the door by himself. Convenience - The security pocket and pockets on either side of the back and shoulder strap can be used to store leash, water bottles, snacks and other accessories. Portable and foldable - dog carrier backpack, easy to store, not easily deformable. Comfortable soft pad, removable and washable.