We have ranked among the top 100 most recognized brands in the world and is known as the place with the innovative hardware people With the continued vision to be the best most helpful hardware stores on the planet Ace Hardware and its retail associates remain dedicated to the core value of quality for its customers Features . Durable non porous knife friendly and dual sided. 1 4 in thick. Dishwasher safe. Heat resistant up to 350 degrees F. Tested and certified by NSF. Limited lifetime . Case of 2 Specifications . Width 8 in . Length 13 3 4 in . Finish Natural. Color Slate. Material Wood. Country of Origin United States. Weight 2 5 lbs