Features: Made of high-quality rubber material, which are soft, safe, bite-resistant, environmental-friendly and durable. The bell sound will make the dog exciting, which can reduce the pet’s boredom while you are not home, easily attract your pets attention, help improve pet’s intelligence. To meet the pet dog’s need for chewing things and prevent your slippers and sofa etc.from damage. Help the pet dog do some exercise so that to control weight and keep the dog healthy. Colorful color make the pet have a good mood, a great gift for your pet. Increase interaction with your pet dog, good for throw and fetch game. Specifications: Diameter: 6cm/2.4in(small) 7cm/2.8in(medium) 9cm/3.5in(large)(optional) Material: Rubber Color: Multicolor Item Weight: 50g/1.8oz(small) 80g/2.8oz(medium) 155g/5.5oz(large) Package Size: 666cm/2.42.42.4in(small) 777cm/2.82.82.8in(medium) 999cm/3.53.53.5in(large) Package List: 1*Pet Ball Toy