Presto 09964 Microwave Power Pop Powercup Popcorn Concentrator Cup - 24 Pack Brand New in factory packaging! For use with PowerPop / power cup microwave multi-popper Combines with PowerBase to focus microwave energy so effe ctively that virtually every popcorn kernel pops. Includes 3 packages for a total of 24 cups! Patented "target" design concentrates microwaves for maximum popcorn popping performance! Original Presto part number 09964, 9964 For use with Presto Power Pop microwave multipopper PowerBase also typed as Power Base