Supplementary pecking block for birds; your bird can nibble on the block as needed. This helps prevent your bird from suffering from a deficiency of calcium and essential minerals.
Composition: Calcium sulfate, calcium carbonate, dicalcium phosphate, sodium carbonate, ground limestone, oyster shell flour, quartz sand, iron oxide, zinc oxide, copper sulfate, manganese sulfate, iodized salt and potassium iodide