It is a smelling and thinking toy, animals should use their intelligence and sense of smell to move toys and get food, which is very good for puppies and kittens. Our dog toys not only train the dog’s intelligence, but also slow down the dog’s feeding and promote healthy eating for your dog. Safe Material: The toy is made of safe pp plastic material, it is very sturdy and quick to clean. With anti-slip function: it can prevent the dog from moving the toy while playing, and it can also prevent the floor from scratching. We will wholeheartedly provide our customers with satisfactory service. If you are not satisfied with our products, you can always contact us. Color: Green