The Pop-Swab is filled with 99.9% Isopropyl Alcohol. Simply squeeze the plastic handle and the foam head becomes saturated with just the right amount of Cleaning solution. Safe, Effective and Easy to Use. 24 Swabs per Bag. Priced per Bag.  Compatible with 105909G-057, 105999-057 and more.  Designed for use with PVC card printers.