It’s a good toy and who thinks, animals must use their intelligence and sense of smell to move toys and get food, which is very good for puppies and kittens. Our dog toys do not only cause the dog’s intelligence, but also slow down the diet of the dog and promote a healthy diet for your dog. Safe material: the toy is Made of safe PP plastic, it is very robust and fast to clean. with anti-slip function: it can prevent the dog from moving the toy while playing, and he can also prevent the soil from scratching .