With minerals that promotes optimum health for your small animal pets Helps prevent overgrown teeth Contains: Calcium Carbonate , Calcium Sulfate , Calcium Phosphate , Oyster Shell Flour , Salt, Ferrous Sulfate , Magnesium Oxide , Potassium Iodide, Zinc Sulfate, Copper Sulfate , Cobalt Sulfate & Sodium Selenite Size :6cm...