King CuttingBoard is a solid, high density polyethylene sheet for buffets, salad bars, butcher blocks, commercial and consumer cutting boards, food preparation and packaging, food processing components, and other food applications. King CuttingBoard is a solid polymer sheet for food applications.Wood fiber and resin cutting board. At King Plastic, we are the leading manufacturer of quality polymer sheets, giant slabs, and massive shapes since 1968 and partner with distributors worldwide.