This Pellon Wrap-N-Zap Microwave Safe Cotton Batting is the ideal batting to use when making hot pads, microwave bags, and potholders. The Wrap-N-Zap Microwave Safe Cotton Batting is made of 100% cotton and measures 22" wide. This batting traps moisture in the microwave, which is great for making baked potatoes and warming up rolls and tortillas. This item is sold by the yard.