Shepher 2Pcs/Pack Bounce PVC Chew Ball for Medium/Large Dogs Catching Throwing Training Game Interactive Play Size specifications: M: 2.3" diameter; L: 2.7" diameter Extremely durable dishwasher safe material by Rubber Have interest to help the dog teeth, cleaning teeth and exercise Designed for teething and actively chewing puppies Great for Fetch, tug of war and puppy training