Hand wash with mild soap and water. Dry with towel. Do not place in dishwasher or submerge in water. If needed, use a food safe finish. They suggest applying Mineral Oil once a month to maintain the natural beauty of the wood.
Spencer Peterman's line of wooden bowls and boards come from humble beginnings (often older trees overlooked or discarded by the logging industry) but are transformed by his craftsmen into beautiful, functional pieces.