These thick Walnut cutting boards are big enough to provide plenty of cutting room for large meals while still offering a beautiful surface to present food on. They're made from reclaimed tabletop wood, planed and sanded to raw and flipped to present it's knife safe end grain surface. The small block measures 10X10.5 inches and the big one measures 18X10.5 inches. They're 1.5 inches thick and carry some real weight.