This is a good smelling and reflective toy, animals have to use their intelligence and sense of smell to move toys and get food which is very good 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 a healthy diet for your dog. Safe Material: The toy is made of safe pp plastic material, it is very sturdy and fast to use. clean. With anti-chipping function: it can prevent the dog from moving the toy while playing, and it can also prevent the floor from getting scratched.