DT Universal No Pull Dog Harness, Service Dog In Training, Black, X-Small, Fits Girth Size: 21-Inch to 25-Inch Extra durable nylon material body and straps 2-Inch wide (50 mm) strong quick release easy buckle and straps Removable under belly strap - 1 1/2 -inch (40 mm) wide Identification patch ability on both sides with Velcro - choose from many patches in our store Adjustable girth and under belly straps, super light weight, extreme comfort