John Boos mystery oil is recommended for care of tops, blocks and cutting boards that are used as a working, cutting surface. This top quality food safe oil is a mix of mineral oil, linseed oil and tung oil. John Boos mystery oil is recommended for use every 4-6 weeks. 16 ounce bottle.

Note: due to air safety regulations, we can not ship this item expedited (2 or 3 day air), or to AK/HI. Ground shipping only.