Experience the long lasting flea and tick stopping power of Bayer's Seresto™ collar for cats! Bayer's Polymer Matrix is designed to slowly and continuously release the active ingredients over eight months, which makes it clearly different from other collars. Dependability driven by two active ingredients: * Imidacloprid has been used in products recommended by veterinarians for years to control flea infestations. * Flumethrin works with imidacloprid to repel and kill ticks. * No other treatment has this combination of ingredients. Reliable, 8-month flea and tick protection: * Continuous supply of active ingredients released in low concentrations ensures reliable 8-month protection * Non-greasy, odorless, easy-to-use * KILLS fleas * REPELS and KILLS ticks * Water-resistant: No need to remove the collar before swimming/bathing!