Bamboo is naturally heat and bacteria resistant. This bamboo and marble combination cutting board is eco friendly and 100% renewable resource. Best to hand wash with warm water and mild soap/detergent. Due to natural variations in the grain, laser engraved imprints may have slightly different shades. A tone on tone imprint is common with lasered bamboo. Complies with FDA. 15" H x 6" W x 1/2" D