Pellon-Wrap N Zap 100% Natural Cotton Batting. A microwave safe product made of 100% Natural Cotton Batting. It is perfect for use in projects like insulated potato bags, casserole warmers and more. When used in the microwave, it will trap the moisture inside to produce a perfect baked potato or a well steamed ear of corn. It can even be used for warming rolls and tortillas. This package contains 10 yards of 22 inch wide natural cotton batting. IMPORTANT!! When cooking any vegetables wrapped in fabric, limit the time to 2 minute intervals. Made in USA.