Product FeaturesSize Name: 6 applications | Color Name: over 55 LbsOnce-a-month topical flea treatment for dogsKills 98 to 100 percent of fleas within 12 hoursSafe for dogs 7 weeks and older and weighing 56+ poundsWater-resistant; includes 6 applications for 6 months of protectionPlease read all label information on deliveryProduct DetailsProduct Dimensions: 2.4 ouncesShipping Weight: 2.4 ounces (View shipping rates and policies)Shipping: Currently, item can be shipped only within the U.S.ASIN: B000Q5KM1QItem model number: 004BAY-067499Product DescriptionK-9 Advantix 6pk for Dogs 56+lb Product DescriptionK9 Advantix is a once a month topical application that kills and repels disease spreading fleas, ticks and mosquitoes. K9 Advantix kills 98-100% of fleas within 12 hours. K9 Advantix is for use on dogs and puppies 7 weeks of age or older. DO NOT USE ON CATS.This product has been shown to be superior to Frontline Plus, it repels fleas,ticks and mosquitos as well as kills fleas and ticks. Great Product.*******************************DO NOT USE ON CATS****************************