Help protect your four-legged friend from pesky critters with this 6-in-1 broad spectrum monthly Topical Solution for Cats by Revolution Plus. Simply apply the quick-drying, small-volume prescription to help: kill fleas before they lay eggs, kill ticks for a full month, prevent heartworm disease and treat and control roundworms, hookworms and ear mites. This topical medication is suitable for cats and kittens eight weeks of age or older, weighing between 5.6 and 11 pounds.We directly source prescription medications from manufacturers and wholesale distributors registered with the FDA and licensed by applicable state boards. Guaranteed genuine, and where applicable, backed by the manufacturer. One and three count orders of manufacturer-sealed blister packs will arrive in a resealable plastic bag. Please note, due to a manufacturer prompted packaging change, your medication may arrive in new packaging.