Bayer Advantage II topical flea treatment and prevention for large cats over 9 pounds is a vet-recommended, monthly application that kills fleas through contact, so they don't have to bite your cat to die. Advantage II kills fleas in multiple life stages, effectively breaking the flea life cycle to control existing flea infestations on your cat and prevent further infestations. This cat flea treatment comes in a convenient topical liquid that's easy to apply, fragrance-free and waterproof after 24 hours. A single application of Advantage II flea prevention and treatment for cats starts working in 12 hours and kills fleas for up to 30 days. Even indoor cats need flea protection because humans and other pets can bring fleas into your home. Fight the misery of biting fleas with the help of Advantage II flea prevention and treatment for cats from Bayer. Features: Contains one one-month application of Bayer Advantage II topical flea prevention and treatment for large cats 9 lbs and over Works through contact, so fleas don't have to bite your cat to die Kills fleas in multiple life stages - eggs, larvae and adults - to break the flea life cycle Easy-to-apply cat flea treatment starts working within 12 hours and protects for up to 30 days Vet-recommended, fragrance-free and designed specifically to treat and prevent fleas on cats Intended For: Cats or kittens 8 weeks and older and weighing over 9lbs Includes: (1) tube .8 mL Health Consideration: Flea & Tick Use: Topical Solution Pet Weight: Over 9 lbs Total Weight: .027 fl. oz Dimensions: 4.252 x .87 x 4.724 Ingredients: Imidacloproid & Pyriproxyfen Directions: It is a violation of Federal Law to use this product ina manner inconsistent with its labeling. Cautions: Keep out of reach of children. Advantage II Over 9 lbs Cat Flea Prevention and Treatment, Size: 1 Count | PetSmart