cuttlefish Two Pack With Fixing Clip A Healthy Treat For Birds. A great boredom beater for caged birds vitamin and calcium twin pre pack size small Pure and natural sea, rich in minerals. Necessary for the bird to sharpen their beak and fill up with calcium. With practical support for easy attachment in the cage. Give your birds this cuttlefish bone to give them a rich and complete diet. It will also allow them to meet their natural need to peck. In fact, they will sharpen their beaks with this bone. A double advantage guaranteed with this cuttlefish bone! Directions for use: Make sure that the cuttlefish bone is installed in a clean and dry place, such as hanging on the grill.