The Bayer Seresto Flea & Tick Collar for Cats 10 weeks of age and older provides continuous 8-month flea and tick protection. Unlike some oral flea and tick prevention for cats, which require a bite, the Seresto collar repels fleas and ticks and kills through contact, so they don't have to bite your cat to die. Frontline flea and tick treatment does not repel (based on label claims). Seresto cat collars are made with a long-lasting, 8-month formula for continuous-release coverage over your cat's skin and coat. The odorless, non-greasy collar is easy to put on, and it can be used alongside other identification collars. Avoid the hassle of messy monthly applications and get effective protection from Seresto.