Cuttlefish Bone is a 100% natural product that is an important dietary supplement for birds. They are a great source of calcium and minerals that help birds with bone formation and protect against blood clotting. Trace elements such as iron, potassium, zinc, and copper aid the healing the rough texture of the cuttlebone helps supports beak strength as well as keeping them trimmed. Recommended for finches, canaries, parakeets, lovebirdsASSORTED SHAPES AND COLORS please let us choose!