Natural wood fiber based cutting surface trees are harvested from managed forests. Made in the USASurfaces are dishwasher safe or are easily cleaned with soap and water. NSF approved. Knife Friendly.Temperature resisitant to up to 350 degrees. Use as a trivet without leaving browned rings from pots and pans.Enginered space for handling and hanging. Preferred material for food preparation by chefs and commercial kitchens for over 40 years.Maintenance free, no need to oil or bleach. Material developes a richer color over time.