Epicurean Big Block Series 24-by-18-by-1-Inch Thick Cutting Board with Cascade Effect, Slate/ Natural 24" by 18" by 1" thick wood fiber composite cutting board, natural color with slate to natural cascading layers Modified natural material is lightweight, durable, nonporous, knife friendly and dishwasher safe, and easy to maintain; NSF approved Super durable block designed to live on the countertop; features non-slip silicone feet that grips counter to prevent from sliding while in use 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; tapered edge reveals a cascade of laminated composites in slate and natural