Cuttlebone, or Cuttlefish bone, is used as a natural calcium supplement for Birds, Reptiles, and Isopod culture. The bone is actually part of an internal shell structure found in Cuttlefish. Using Cuttlebone will give you a slow release form of calcium for you animal. Simply add it to the enclosure and replace it as needed, or as it is eaten.
Our cuttlebones average 6-8" in length and will vary in size / weight.