Leg hole and tail hole design - offer your dog maximum comfort. With zippers on the sides, easy to carry. It also comes with a D-ring suitable for carrying pet travel bowls.^ Secure - Built-in adjustable safety hook fits your dog collar and prevents it from popping out. You can wear the backpack in X shape, which is safer and more comfortable for your shoulder.^ Material - Made of sturdy canvas fabric, durable, non-toxic and skin-friendly. Light, soft and comfortable, your dog will feel free in it and have a good time walking or traveling with you.^ Super Comfortable - Both the back and the adjustable shoulder straps of the dog carrier backpack are designed with extra thick padding, which reduces the burden on the shoulder and back and makes it more comfortable to carry.^