Frontline Plus Flea and Tick Control controls tick and chewing lice infestations. With a special ingredient that helps to kill adult fleas, flea eggs and flea larvae, Frontline Flea Control for cats provides protection you can count on. Frontline Plus Flea and Tick Control for cats also prevents the development of new fleas and breaks the life cycle of fleas completely. With its fast acting formula, Frontline Tick Control kills all stages of ticks that transmit Lyme disease and Rocky Mountain spotted fever. The active ingredients of this Frontline Flea Control for Cats get stored under the skin of your cats, so that it won"t rinse off even when your cat gets wet. This package of Frontline Plus Flea and Tick Control works for 8 weeks and comes with three .017 oz applicators. Frontline Plus For Cats & Kittens 8+ Weeks Flea & Tick Control: * Three .017 oz applicators * Fast acting * Waterproof