Say goodbye to fleas and ticks with Hartz Dual Action Flea & Tick Topical for Dogs and Puppies. Each easy to apply a single one-month dose tube kills fleas flea eggs brown dog and deer ticks for 30 days. Each monthly treatment prevents re-infestation stopping the flea life cycle. The topical formula stays on and does not rub off. For the use of small dogs and puppies that weigh 61-150 pounds and are 12 weeks or older. Each package contains a three-month supply. Do not apply more than one tube per treatment.