Insul-Bright is a needle-punched polyester insulating material. It is made of double-sided hollow polyester fibers with a reflective, metallicized poly center. This makes it ideal for potholders, table pads, oven mitts, ironing board covers, casserole cozies, baby warmers and more. Sold by the yard One yard measures 45" wide by 36" long Cut to order off the bolt Order multiple quantities and you'll receive continuous yardage