This large expansion yellow butterfly popcorn is suitable for making savory coated popcorn. It can be used in oil-popping or air-popping. We offer only the highest quality butterfly corn with an expansion reading (MWVT) in the range of 46-48*. Expansion rate of 40-43:1, with fluffy kernels that are great tasting, and fun to eat. This popcorn is versatile and perfect for various uses.