21 x 18 x 1-1/2 in. Ohio typical hardwood, walnut, hard maple. Glue used is waterproof & approved for indirect food contact. Reversible to use both sides. Beveled edges to use as a handle. Finish with food grade mineral oil and natural waxes. Weights 12.5 lbs. Ships with one bottle of 2 OZ of Butcher block conditioner and one bottle of food grade mineral oil 2 OZ.