Maintain and preserve your wood food prep surface with this John Boos Block & Co. MYS-3 16 oz. antimicrobial Boos Block mystery oil. This oil is designed for use on wood food prep surfaces, including cutting boards, tops, utensils, and Boos Blocks. It absorbs into wood to help preserve and maintain your board's function and appearance, helping to prevent bleaching, drying, and cracking. It is optimally used in conjunction with Boos Block board cream (sold separately), which can be applied after the mystery oil to create a silky, wax barrier that locks in moisture. This mystery oil features an all-natural formula that includes beeswax and white mineral oil.