Seresto Flea and Tick Collar for Dogs - Small DogWant up to 8 months of flea and tick protection for your dog? You've got to try Seresto! Seresto is a hard plastic flea and tick collar that kills fleas and ticks! Seresto Small Dog is for dogs up to 18 pounds. The collar is odorless and non greasy. The Seresto collar can be worn under regular collars. Seresto is an innovative flea and tick collar. Uniquely developed with a matrix design, the collar protects dogs from the harmful effects of fleas and