Trusted by pet owners for over 20 years, FRONTLINE Plus for Cats can be used on kittens as young as eight weeks old, weighing 1.5 pounds or more; One monthly dose provides protection from fleas & ticks for a full 30 daysEven indoor dogs need flea and tick control because you or other pets in the household may bring fleas into the home; These fleas can lead to a flea infestationFRONTLINE Plus also comes in a formula designed for dogs and puppies, 8 weeks and older, weighing 5 lbs and over, providing the same reliable flea & tick protectionTreat cats and dogs in the home monthly to effectively control fleas and ticks and prevent the establishment of new infestationsSubscribe & save today to make it easier to keep your cat or dog protected year-round and make sure you never run out of FRONTLINE Plus