Quick Overview : • Provides treatment and control of fleas, chewing lice, mosquitoes, and ticks, including those that may transmit Lyme disease• Contains fipronil and (S)-Methoprene, the same active ingredients found and used in frontline Plus for dogs• Kills adult fleas, flea eggs, and larvae to stop existing infestations and prevent new infestations• Waterproof After 12 hours• Includes 3-month supply for 45-88 pound dogs• If you have questions please contact us at, 1-800-234-2269