【Deep Teeth Cleaning】Double-sided fang design allows your dog to thoroughly clean his teeth from tartar while chewing the toy. You can fill the ball with treats or cover it with liver sausage and toothpaste to increase your dog’s frequency of use. 【Food leak hole design】Put dog food in the ball to attract dogs to play. Press or open the tip to put treats inside, increasing dog’s playing fun and developing your dog’s intellectual training. 【Eco-Friendly and Safe】Made made of natural rubber, moderate hardness, flexibility and bite resistance, don’t worry about hurting dog’s gums. 【Interactive Training】Perfect for fetching and interacting with your dog. The dog ball’s unpredictable direction and bounce allow for interactive play and improve your dog’s reflexes. Easily attract your pet’s attention and train their intelligence. 【Relieve Boredom】Even when you are not at home, your dog can play alone and spend boring hours. You can put food or snacks in the alcove, which can keep them