Burl & Blade Purpleheart Cutting Board Butcher Block - 12" x 16" Professional Grade Wooding Serving Board and Chopping Board &ndash; Handmade in the USA Wooden cutting boards treated with high-grade mineral oil to ensure smooth texture and durability. Each chopping block is handmade in the USA from natural wood, making every piece unique. Wooden chopping boards are softer on knives and can also be used as wooden serving trays. Available in three (3) sizes. Select from cutting boards made from American walnut, curly maple, wenge, or zebrawood. Note: Hardwoods will show marks and distressing during use with sharp objects. This is natural and will help prevent dulling of your knife blades. Units with knife marks may not be returned.