Protect your furry friend from fleas with this Advantage II Topical Flea Treatment for dogs from Bayer. This treatment is meant for dogs between 11 and 20 pounds, and it's completely waterproof. It kills live fleas along with their eggs and larvae. The formula also has no expiration date, so you can keep it on hand for an extended period of time. It has been approved by the EPA for topical use in dogs, and it starts working in as little as two days.