Interesting toys: very suitable for dogs to play and interact. You can add food or snacks in the groove of the ball. The transparent top cover allows the animals to easily see the food and stimulate their curiosity and appetite. Intellectual development: In order to stimulate more interest and curiosity in feeding your pet, your dog or cat must find an effective method. Such training can better stimulate the dog appetite and intelligence. Feeder: The interactive toy ball is also a feeder, which can slow down the dog feeding speed. It can help digestion and prevent the dog from bloating. High quality materials: durable, non-toxic and tasteless ABS and polycarbonate materials, completely safe and durable for pets. Easy to clean: washable and removable cover for easy cleaning Delivery quantity: one piece