Protect your furry friend with the Hartz UltraGuard Flea and Tick Drops. This product not only eliminates fleas and ticks but also tackles mosquitoes for up to 30 days. Hartz flea and tick drops are suitable for use on dogs and puppies over 60 lbs in weight. It is also suitable for use only on dogs over 12 weeks of age or older. As a once-a-month treatment this formula also controls the re-infestation by fleas and ticks for the period. Easy to apply this package of flea and tick drops for dogs contains 3 monthly treatments.