MYS-12 Protect Your Cutting Board and Butcher Blocks! All Boos Butcher Blocks products require periodic oiling, so why not use Boos Mystery Oil? Boos Mystery Oil is a penetrating oil that is used to protect cutting and butcher blocks. This Mystery Oil is the same high quality oil that is used in the factory! Butcher Block Oil Features: -Sold as a pack of 12. -High quality oil that the professionals use to oil their cutting boards and butcher blocks. -Recommended for use every 3-4 weeks. -Special combination of pure mineral oil and raw linseed oil. -Orange Scented.