PetSafe SlimCat Green Interactive Cat Feeder lets your cat play away the pounds while working for his dinner or treats. Pack the SlimCat feeding ball with your fur babys kibble, and it distributes an adjustable amount of food as your cat bats and pounces. Capacity is calculated by total volume. When using container, choose a capacity greater than what you need to prevent overfilling and spills. Features: SlimCat can be used by all cats and particularly overweight cats can benefit from the interaction. By providing smaller portions of food throughout the day, it helps to maintain optimum weight as well as improve your cats digestion. Improves behavioral problems such as excessive meowing, scratching or aggression. Holds 2/3 cup of dry food or treats. Dishwasher safe, BPA-free plastic.