• LARGE OVER 60LB • A flea control for dogs. • (over 60 lbs.) kills and repels fleas ticks and mosquitoes for up to 30 days. • Kill flea eggs to prevent reinfestation. • Apply 1/3 of applicator to base of dogs neck. • Apply 1/3 to the middle of back and apply the remaining 1/3 to the base of dogs tail.