Rhino Extra Large Cutting Mats are thick, durable and long-lasting manufactured of 180-gauge (3/16") polyethylene plastic These large mats are "self-sealing"and perfect for your cutting tables. The translucent, non-glare cutting mat looks and functions great. Perfect for quilters, printers, signmakers, framers, photographers, designers, crafts, sewing, model making, chef cutting boards, and more.