Warm and Natural has created Insul-Bright, a polyester batting that is needle punched through mylar. Some uses include lunch bags, potholders, oven mitts, an iron cozy, and many other projects that are used for keeping things insulated. It is easy to sew through and can be machine washed and dried and if needed, can be ironed with a warm setting. Manufacturer: Warm and Natural Company Size: 22.5 wide Item Number: 6320WN