The unique 1-1/2 inch wide ReflectoŽ Band Collar features nylon webbing and sewn-on elastic, which allows collar to slip over dog's head easily and quickly! Reflective band protects dogs from the hazard of night drivers at the critically important 100- to 600-foot range. Also great for use to make dogs more visible in field trials or hunts. Order the exact size of your dog's neck for a correct fit. This item usually ships within 1 to 3 days.