John Boos 16 Ounce Block Mystery Oil, Set of 2 Formulated from all natural white mineral oil and beeswax Penetrates deeply into the grains of the wood Locks in moisture and leaves surfaces looking brand new Used regularly, it will replenish and revitalize moisture lost through repeated washing and will prevent drying, bleaching, and cracking For use on wood cutting boards, butcher blocks, and utensils