The Bouncin Bowlin Pin Medium is a tough natural rubber dog toy with a classic shape that naturally lends itself to a dog"s mouth. Dogs will be bowled over by this toys ability to stand up to rugged playtime, perfect for squeaking, flinging, rolling, and just plain ole carrying around. The iSqueak Bouncin Bowlin Pin squeaker holds up to tough chewers and comes out squeakin every time. Suitable for small and medium breed dogs.