Seresto Flea & Tick Collar for Cats - Os

• Protects your pets from ticks and fleas for up to eight months. • Innovative technology enables it to release controlled doses of the active ingredients over a long period of time. • Contains two active ingredients: imidacloprid which kills adult fleas and flea larvae; and flumethrin which repels and kill • Odorless so there are none of the unpleasant smells you usually associate with flea and tick collars • If the collar does get dirty you can simply wipe it down with a moist cloth.