When buying online, Stronghold is often sold in packs containing 3, 6, or 12 doses, categorized by your cat's weight. Stronghold for Cats & Dogs | Free Shipping - PetBucket

: remains effective even if your cat gets wet from bathing or swimming.

: Effectively controls ear mites and biting lice.

: Prevents heartworm disease and treats intestinal roundworms and hookworms.