This batting is a microwave safe product 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. IMPORTANT!! When cooking any vegetables wrapped in fabric, limit the time to 2 minute intervals. Details: White 22'' x 10yd. 100% natural cotton batting Not fire proof or flame retardant Contains free pattern for a baked potato zapper on back For indoor use Made in the USA