FiproGuard Plus 3-Month Dog Topical Flea Treatment, Blue Kills fleas, ticks, flea eggs, flea larvae and chewing lice Controls mites that may cause sarcoptic mange Waterproof formula contains fipronil, (s)-methoprene and diethylene glycol monoethyl ether Can be used on breeding, pregnant, and lactating dogs Measures 6-4/5-inch length by 1-inch height by 4-inch width