All Weather Nylon Martingale Dog Collar - 51614nylon - 4/5 inch (20 mm) width nylon strap : Prong Collars, Pinch Collars, Dog Training Collars, Curogan Collars, Chain Dog Collars, Fur Saver Collars, Choke Dog Collars, Herm Sprenger Collars, Dog Muzzles