Cuttlebone is a great source of calcium for your birds and also helps condition their beaks. Cockatiels just love them and are great for any birds diet. Cuttlebones are mostly calcium carbonate, (~ 85%) along with organic compounds, nitrogen and many trace elements from the ocean. Cuttlebones come from the Cuttlefish and mostly come from Asia and the South Pacific.
Approximately 6-8 pieces per 2 Oz.