Pellon Fleece is great for all kinds of crafts and home decor. Insul Fleece 45″x 10yd- Insul-Fleece Metalized Mylar is layered between polyester fleece to create a high-quality barrier that reflects heat or cold, polyester fibers resist conduction while the Mylar resists radiant energy. This special combination is very flexible and easy to sew through, and can be washed and tumble dried with no bunching. Ideal for making pot holders, oven mitts, etc. Can also be used in lunch sacks and grocery totes to keep ice cream and drinks cold or deli food warm!