1.5 Hole Design The medium and small dog belly backpack has 5 holes to allow the pet's limbs and tail to be exposed, so that the pet will not feel restrained. The pet's hands and feet can be pulled out, making the pet feel comfortable and relaxed. 2.High Quality The medium and small dog travel bag is made of canvas fabric, which is durable and easy to wash. The front of the medium small dog carrier bag is designed with mesh, which is refreshing and breathable without being stuffy. Exquisite and delicate stitching will not harm the pet's fur and skin. 3.Safety The zippers on both sides of the dog accessories travel bag make it easy to put the dog in, the secure hook for attaching the pet's collar ensures that your pet will not jump out. The straps can be adjusted into an X shape to prevent the dog hiking backpack from slipping off the shoulders.