ITEM NAME:Cuttlebone Cuttlefish Sepia Bone Cuttle Fish Bird Food Calcium Pickstone Pet.Derived from natural cuttlefish. Material: Cuttlefish bone. 1 Bag x Cuttlefish Bone. Cuttlebones are an excellent calcium source for birds. Provides natural calcium and minerals. Due to the difference between different monitors, the picture may not reflect the actual color of the item.