This John Boos 24 x 18 x 2 1/4 inch RA cutting board in Walnut weighs 27 1/2 pounds and is the largest of the basic cutting boards made by this Illinois-based company. It's made to provide a sanitary and beautiful cutting surface These chopping boards from John Boos are also quite durable because they're made in the USA from walnut, an extremely durable wood. The wood's hardness ensures a sanitary cutting surface that resists warping and will outlast softer, cheaper boards.