NEW! NEVER OPENED. FOUR PACK ADVANTAGE II for SMALL CATS 5-9LBS. STARTS WORKING THROUGH CONTACT. Waterproof, kills fleas, kills flea eggs, kills flea larvae. Once a month topical flea prevention and treatment. Please see pictures. Message me with any questions or more pictures. See my hot wheels auctions, I combine shipping. International bidders are welcome but please do not ask me to put gift on customs form or don't assume that I will, also I can not control how soon you receive an international package. Comes from a smoke free home. Thanks for your interest and have a GREAT day!!!