Cutting board is made of resin-impregnated wood fiber. Dense surface protects knives from dulling and won't absorb odors. Heat resistant up to 200°F in ovens for up to 30 minutes, or under a heat lamp indefinitely. Perfect for holding hot pans, fry baskets and skillets up to 400°F during cooling process. NSF listed. 1/4" thick. 12"Wx18"D.