About this item 3-hole food dispenser: Three holes with a diameter of 6 cm and it can help your dog's digestion and reduce bloating. The hollow center allows you to fill it with your pet's favorite snack, and when your pet plays with it, the snack will come out of the hole to reward its performance while playing and rolling the ball. Grinding and cleaning teeth: Non-welded design, high strength, practical and durable. Thick inner wall, reinforced strength, multi-tooth design, clean molars. Non-sharp edges allow pets to better clean their teeth and eliminate bad breath. Puzzle toy: Dogs need to rely on their own intelligence and effort to obtain food, not only exercise themselves, but also kill time. Through healthy diet and exercise, you can help your dog improve intelligence, reduce boredom and disruptive behavior. Instead of sleeping and messing, let your pet be active. Enhance your relationship with your pet: You can use this product to interact with dogs. Observe your dog and you