Hartz UltraGuard Pro Flea & Tick Treatment is a monthly, long-lasting topical treatment for dogs & puppies 61-150 lbs. It contains dual  Insect Growth Regulators to protect your pet and environment and kills fleas, ticks, eggs, larvae, and repels mosquitoes. The patented Pro-Glide angled applicator makes for a pleasant and easy application. For dogs/puppies 61-150 lbs, 12 weeks+ only. Package includes 3 applications.