I ❤ sewing & crafts . . . Microwaveable Heat Wrap Tutorial: Need a practical, last minute gift for someone? Why not make them something useful, a gift basket with some favorite teas, soothing lotion, perhaps a candle or homemade soap, and of course, a special flannel microwaveable heat pack to relax those achy muscles. This project is rated Easy for beginner sewers and takes only 10 minutes once you have the supplies together.