Cuttlebone is the dried shell of the cuttlefish, who have a unique internal shell, the cuttlebone, 85 % natural calcium for your pets. They are commonly used as calcium rich dietary supplements for birds, chinchilas, hermit crabs, reptiles, shrimps and snails.The condition is new, shipped with usps First Class Package. The fact that it's broken does not affect the quality or function of cuttlebones.