Jolly Pets Monster Ball Dog Toy Designed to offer a playful bounce at fetch time and features a flexible mouth to stuff the hollow center with treats for reward time. Part ball, part mouth, part treat dispenser, part awesomeness Made to be stuffed with just about anything from treats to peanut butter to yogurt to your own homemade creation Stuff with your dogs favorite snack and freeze for a cool summer treat Suitable for dogs 30 lbs +