nobrand Pet Nibbling Block Teeth Grinding Stone for Degu, Chinchilla Hamster Rabbit Offers a safe and natural way for your pet to file down its own teeth and helps prevent boredom A large nibbling block made from natural pumice stone Simply attach to anywhere in your pets cage Its ideal for chinchillas, rats, rabbits, hamsters, mice, gerbils and many other small animals Durable,safe and natural