Our modern lifestyles have impacted our pets.. Around 50% of our pet population shows some signs of obesity. In order to prevent and control obesity, it is advisable to ration your pet’s portions and provide him with some form of physical activity. An interactive feeding toy like SlimCatTM will do just that. It helps fight obesity and maintains a healthy weight. size appr.same as tennisball. Suitable for cats and small dogs who cat not fit a tennisball in their mouth.