The Kong Cat Wobbler provides beneficial mental and physical stimulation for the household cat by functioning as a way to feed or give your cat small treats. It's weighed on the bottom and needs to be rocked, tipped or rolled to make treats or foods fal out. The Wobbler's tail is filled with Catnip and will entertain your cat for hours! Use with treats or food. Great for feeding over- weight cats. Made in USA. 6"