Seresto Flea and Tick Collar for Dogs Seresto is a special type of flea and tick collar for protecting dogs from flea and tick infestations. . This easy-to-wear collar effectively repels and destroys ticks including deadly brown dog ticks that cause Ehrlichiosis and other tick-borne diseases like babesiosis and anaplasmosis. It treats and prevents fleas for up to 8 months. It provides excellent protection against various diseases that these parasites can spread. The durable collar is made of high-quality material, which is safe for dogs and causes no skin irritations. The active ingredients in Seresto collar are released continuously, which spreads along the whole body of your pet. This way it shields your dog from fleas and ticks. The easy to wear collar also treats chewing lice and controls sarcoptic mange in dogs. The collar fits easily on all dog breeds, and it is safe to use on dogs over 7 weeks of age. Please Note: Dogs must not be bathed more than once per month in order to maintain the eight-month flea protection duration. For small dogs that swim once a month or more, the control duration is reduced to 5 months for flea control and reduced to 3 months for tick control. For large dogs that swim once a month or more, the control duration is reduced to 5 months for flea control and reduced to 3 months for tick control. Dog Size Flea Protection Tick Protection Seresto Collar for Small Dogs upto 18 lbs 8 Months 4 Months Seresto Collar for Large Dogs over 18 lbs 8 Months 4 Months