2 inch wide Handmade Dog Collar. Black plastic quick release side buckle and tri-glide (also available with metal hardware for an additional charge) with a steel welded D-ring. Fits neck sizes 16 inches - 25 inches. Custom lengths available for an additional charge. Martingales are made by measurement and include all metal hardware. Other available widths include '5/8", "1", "1.5". Prices vary.