Premier Nite Lite Day-Glo Collar in Neon Yellow, D-Ring in Front, 1" x 21" Made from durable vinyl-coated 1-inch nylon for maximum durability as well as moisture and mildew resistance. Heavy duty nickled-plated and brass hardware insures long life under the most difficult of use and conditions. Day-Glo colors make it easy to identify your pet night or day