Healthy Dental Cleaning: Its special shape with rows of nubs acts as a toothbrush while chewing, cleaning teeth and interdental spaces. It is a fun way to prevent plaque and calculus, and take care of gums through massage. Bump Design: 360° fully enclosed molar bumps, two different convex tip modes to adapt to all mouth positions, two-step teeth cleaning, ultimate dental cleaning and care. Boredom buster: When your dog chews the ball, the food will fall out and he will receive rewards. This process helps develop his intelligence, massage his teeth, enrich his mind, stimulate his thinking, and promote his intellectual and brain development. Easy to use: Open the lid and pour directly or pour the food or treats from the outlet opening. Two filling modes, saving time and effort, very convenient. Safe material: Made of Made of high-quality, healthy and safe plastic, this product has a long service life and is very easy to clean. The lanyard can be used for hanging and drying and is