The PetSafe® SlimCat™ 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. PetSafe® brand is here to help you and your pet live happy together™.