Epicurean Bread Board Series, Cutting Board, 18-Inch by 10-Inch, Natural/Slate 18 x 10 inch wood fiber composite dual sided bread cutting board, natural color with slate grooves Modified natural material is lightweight, durable, nonporous, knife friendly and dishwasher safe, and easy to maintain; NSF approved Crumb-catching wide grooves on one side help keep cutting area neat and clean; long enough to hold a full loaf of bread Made in USA from trees harvested under the guidelines of the North America Sustainable Forestry Standards Temperature resistant to 350 Degree F/175 Degree C