Double sided flour mill belts are most commonly offered in widths of 12mm, 20mm, 30mm, 50mm and 85mm, while custom sizes [lengths, widths and pitches] are available upon request. Flour mill belts usually consist of neoprene body, steel cord and nylon tooth facing, while custom materials available upon request. Special cords include aramid [kevlar], fiberglass and carbon fiber, more information please visit https://www.zzr-parts.com/applications-and-solutions/flour-mill-belts/