About this item The dog backpack has two entrances so that your pet can stick out his head. You can feed or play with the dog without putting down the dogs backpack. Foldable design, easy to store. With USB charging light, detachable. The pockets on both sides provide space for storing belts, water, snacks, toys and other necessities. Suitable for most bicycles, not for mountain bikes. Suitable for most small dogs and cats. The pet backpack is made of polyester, which is durable and can withstand scratches.