Shop / Products / Seresto Flea and Tick Collar for Dogs Elanco $67.99 Seresto Flea and Tick Collar for Dogs Quantity Size Small Dogs - Up to 18 lbs Large Dogs - Above 18 lbs Small Dogs - Up to 18 lbs Large Dogs - Above 18 lbs Ship to me Pickup in store Set your store for inventory and store pickup details Zip Code Search Add To Cart Information Ingredients Experience the long lasting flea and tick stopping power of Elanco's Seresto™ collar for dogs! Elanco'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! Size breakdown: * Small collar for dogs under 18 lbs * Large collar for dogs over 18 lbs Flumethrin 4.5%, Imidacloprid 10% Customers also liked Customer Reviews