* Fast acting Flea Control for Cats* Advantage for Cats over 4kg is an easy-to-use spot-on flea treatment. * Its super ingredient stops fleas biting within 3 to 5 minutes and kills both adult fleas and larvae within 20 minutes. * Since Advantage works on contact so fleas dont need to bite, cats suffer fewer painful flea bites, reducing outbreaks of Flea Allergy Dermatitis.* Advantage is the only flea product you need as it breaks the flea life cycle. * Advantage kills fleas in your cats surroundings your home. It even provides protection for your cat when it comes into contact with other pets that have fleas.* Advantage is applied monthly and provides month long protection. It is water-resistant so it wont wash off.* One applicator treats cats over 4kg bodyweight.This product can be used on Rabbits and Ferrets for treatment and prevention of fleas. Apply a single spot between the shoulder blades. SIZES: Single; Pack of 4; Pack of 6.***Please Note: This product can not be shipped to Canada as it contains Imidaclorprid.