Reflective yarn is woven into the webbing for night time visibility. Simply click to harness. Comfortable. Transfers pressure from dog's neck to its chest. High durability nylon webbing. Extra strong. Double metal attachment ring. Recommended breeds: Rottweiler, Bouvier, Ridgeback, Labrador. Webbing Width: 1" - Adjustable: 26.4" - 40.6".