Frontline Plus Flea and Tick Control for Dogs, 23-44 lbs. 3 Month Supply Flea, flea egg, lice, and tick control for dogs and puppies each dose supply provides flea, flea egg, chewing lice, and tick relief for up to 30 days For all 23 to 44-pound dogs aged 8 weeks and older Easy 3-step application process Packaging may vary; includes limited Satisfaction Guarantee