Elastic Rubber Material: The dog ball is made of high quality rubber, solid, shock-absorbing design, high rebound and wear-resistant, the dog ball can be used for a long time, can be used for pets, the interactive balls increase you to interact with your pets. Dog Ball With Bells: When the toy ball rolls, it emits a sound which can also amuse the pet. dog, your dog will feel very surprised, it also stimulates the animal’s hunting. It can be crazy chasing this ball, better train pet agility. Bite Resistant Balls: Dog chew balls are made of natural rubber, durable and bite resistant. It can meet the chewing needs of dogs, effectively grind teeth, is ideal for young puppies to chew and relieve teething discomfort, as well as a toy or clean teeth toy. Dog ball size: the toy ball is 8cm/3.15inch, easy to use and carry, the fetch ball dog toy design is hollow for easy breathing and blood circulation air while your pup carries the ball. It is ideal for interactive games indoors or outdoors.