DT Universal No Pull Dog Harness, Working Dog Do Not Pet, Black, Large, Fits Girth Size: 31-Inch to 42-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