You don't have to worry about carrying all your dog's supplies anymore as they can just do it themselves! Our Dog Harness Backpack will allow your dog to carry all necessary items when you go walking. Made of durable mesh, and oxford material, it is waterproof. Perfect for travel, long walks at the park, and short trips in the neighborhood. The backpack comes with an adjustable strap for comfort. The harness backpack comes in sizes small medium, and large.