The Happy Pet Chinchilla Nibbling Block With Cage Hanger is an all natural treat for your beloved chinchilla helping to prevent boredom and keep your pet's teeth trim healthy and clean! Encourages natural gnawing instincts. Complete with a hanger to allow this to easily be fixed to a cage.KEY FEATURES: Made from natural pumice stone A safe way to naturally file down your small animals teeth Helps to prevent boredom Long lasting Suitable for Chinchillas Rabbits Guinea Pigs Gerbils Hamsters and even Rats.