Scratchex Color-Full Formula 5 Flea & Tick Collar for Cats

Works from head to tail to kill fleas and Lyme disease carrying ticks for up to 5 months. Starts working as soon as you put it on your pet. Even works when soaking wet. Not for use on kittens under 12 weeks of age. Active ingredient: Propoxur - 10%. Manufacturer ships this product in assorted colors, so actual color of collar may differ from image.