Zodiac Flea and Tick Control DropsZodiac Spot On Flea & Tick Control for dogs is a topical treatment that works to kill and repel fleas, ticks and mosquitoes for up to 30 days, as well as kill flea eggs to prevent the cycle of re infestation For puppies, toys and miniature dogs 7 15 lbs and 6 months of age or older. Contains 4 applications. Kills and repels fleas, ticks and mosquitoes for up to 30 days Kills flea eggs and prevents reinfestation 4 month supply Longer applicator tip