PatPets Saddle Bag Backpack for Dog, Outdoor Sporting Hiking Canmping Traveling With Hound Bag Material:Made of high quality 600D double polyester material Make it convenient that outdoor sporting,shopping,hiking with your lovly dog. Adjustable straps and neck circumferenc make it suitable for your pets. Size S: 22.8"-25.2"(Chest);13.4"-20.1"(Belly);14.2"-16.1"(Neck)