Ballard Bord Cutting Surface Model 00003 Natural wood fiber-based material is harder than wood, yet knife-friendly (resists deep cut marks). Containing recycled materials and made right here in the USA. Stain, water, scratch and heat resistant (to 350 degrees)  set hot plates and pans directly on it. Dishwasher safe or simply clean with soap and water. FSC (Forest Stewardship Council) and NSF (National Sanitary Foundation) approved. Materials are Kosher Certified. Virtually maintenance free  Ballard bords are made of dense & durable materials, with the surfaces developing a subtle, seasoned patina over time. Thin profile makes stowing or stacking easy and convenient