Sustained release technology provides 4 month flea and tick protection.
5 inches for large dogs Medium â 16 inches for small dog Small â 12 inches for Cat Kinven Flea and Tick Collar For Dogs and Cats (1- or 2-Pack) Green SMALL Ingredients: Non Toxic Pet Product Materials (if Applicable): Rubber Dimensions: 1. Top rated flea and tick collar eliminated pesky pests.