Your pets are family, and PETARMOR helps you confidently care for your dog, especially when it comes to flea and tick control. PETARMOR plus conveniently provides vet-quality protection without the expense of a vet visit. PetArmor Plus Flea and Tick Topical For Medium Dogs 23-44 lbs., 12 weeks and older is a waterproof, fast-acting, long-lasting formula that kills adult fleas and ticks plus stops the flea cycle dead in its tracks. This dog flea treatment has the same active ingredients as FRONTLINE® Plus for Dogs. Get nose to tail 30-day protection with each dose at an affordable price. One three-dose package of PetArmor Plus Dog Tick and Flea Treatment offers three (3) months of continuous coverage for all breeds.