Hartz Ultra Guard Plus Flea & Tick Collar, for Dogs and Puppies

With Reflect-X Shield. Water resistant. Kills: Fleas; ticks. Prevents: Flea eggs from hatching. 7 month protection. Focuses pesticide toward the pet. Fits necks up to 22 inches. The Hartz UltraGuard Plus Flea & Tick Collar for Dogs and Puppies provides an added dimension of nighttime visibility for you and your pet. The collar will reflect when light shines directly on the reflecting strip. To activate collar, hold at each end - stretch - and it's ready for your dog to wear.