The PetSafe® SlimCat™ is a fun, interactive toy that combines mealtime and playtime to help control your cat's weight. You can fill the SlimCat™ with treats or dry food. The openings are adjustable to make the challenge more or less easy for your cat. Varied colors depending on availability. Features and Benefits: The PetSafe® SlimCat™ is a fun, interactive toy that combines meal and play to help control your cat's weight. You can fill the SlimCat™ with treats or dry food. The openings are adjustable to make the challenge more or less easy for your cat. This ball dispenses an adjustable amount of dry food while your cat plays with it. With smaller portions of food distributed throughout the day, the ball helps maintain optimal weight and improve your cat's digestion. The PetSafe® brand helps you keep your pet healthy, happy and safe. Thrive: Follow your cat's natural instincts as they chase the SlimCat™ across the floor Exercise: Combine meals and exercise to boost weight loss and fight obesity Customization: Convenient adjustable openings work with many kibble sizes and allow you to control how quickly your cat receives its food Improves digestion: ideal for heavy eaters; SlimCat™ distributes meals in several small portions to aid your cat's digestion Versatile: can be used for fun with treats or for everyday feeding