It can be used as a water toy; the oversized jumping and leaking food ball integrates various functions such as interaction, vocalization, leaking food, teeth grinding, etc., and adds the function of teeth grinding rope. It can also be used as a jumping ball to increase the dog's agility. Let the dog play by itself, and it can also interact between the owner and the pet to enhance the relationship between the owner and the dog. This product can also be put into the water when the dog is out swimming or bathing, and used as a water toy.