PetSafe Pet Supplies SlimCat Food-Dispensing Cat Toy Green, Treat Toy, Interactive Food Dispenser, Activity Snack Ball for Cats of All Ages, Green, MediumWEIGHT CONTROL : This cat feeder toy distributes smaller portions of food throughout the day which helps you to control your cat's weight INCREASES EXERCISE : This cat feeder toy combines exercise with feeding so that your cat has to work for the food IMPROVES BEHAVIOUR PROBLEMS : The SlimCat snack ball can improve behavioural problems associated with boredom such as excessive meowing, scratching or aggression ADJUSTABLE : Simply adjust the hole size