-This Flea and Tick Treatment for Dogs and Puppies 28Kg and over.-Scientifically proven for the protection of fleas and ticks. -Kills adult fleas and ticks for up to 30 days. -Reduces biting by mosquitoes.-Includes 3 monthly treatments in easy to apply, single dose tube.-For use on dogs and puppies 12 weeks or older that weigh over 28kg.-Hartz is a trusted flea and tick brand and has been providing flea and tick solutions for pets for over 50 years