The PetSafe SlimCat Feeder Ball is a fun interactive toy that combines playtime with mealtime to help control your cat s weight. You can choose to put either treats or dry food in the SlimCat. The openings are adjustable so you can tailor how challenging you want it to be for your cat. This ball distributes an adjustable amount of dry food as your cat plays with it. By providing smaller portions of food throughout the day it helps to maintain optimum weight as well as improve your cat’s digestion. Trust PetSafe to help keep your pet healthy safe and happy.