Pellon Wrap-N-Zap Quilting Batting Color: Off-White Size: 22 x 10 Yards by the Bolt. Pellon s Wrap-N-Zap batting is a microwave safe crafting product that is made of 100% cotton batting. It is perfect for use in projects like insulated potato bags casserole warmers and much more. When used in the microwave this batting will trap the moisture inside your project to produce a perfect baked potato or a well-steamed ear of corn. It can even be used for warming bread rolls and tortillas. Be sure to use only 100 percent cotton fabrics threads and trims. By the Bolt / Color: Off-White