Maintenance Cleaning Instructions By following these simple tips, you will enjoy the game of chess for many years to come. Clean wooden utensils by hand with warm water and a mild dishwashing detergent. Dry them well with a cotton towel. Once a month, wipe them with a cotton swab enriched with a vegetable oil (olive oil, sunflower oil, etc.) and rub the entire surface of the wood. Wipe off the oil with a soft lint-free cloth or a clean paper towel. Never leave wooden utensils in water or exposed to the sun.
