Bayer Seresto Flea & Tick Collar Small Dogs Under 18lbs. 8 MonthsProtection against fleas and ticks for eight months with its innovative delivery system, Seresto offers a breakthrough in flea and tick protection for dogs or cats for eight months. For dogs or cats Kills fleas Repels and kills ticks If a tick is repelled or killed, it can't attach and transmit the organisms that may cause disease Non greasy, odorless, easy to use EPA Registration Number: 11556 155 EPA EST No. 90297 NC 1 NO INTERNATIONAL Paw & Tail