C & T PUBLISHING-Insul-Fleece Metalized Mylar Insulated Interfacing. The perfect insulated interfacing for sewing lunch bags, water bottle sleeves, shopping bags, oven mitts, potholders, casserole covers, ironing board covers and more! The metalized mylar is layered between polyester fleece to create a high-quality barrier that reflects heat or cold, plus it is very flexible and easy to sew through! Once sewn into a project it machine washable and can be tumble dried with no bunching! This package contains one 27x45 inch sheet of Insul-Fleece. Made in USA.