Characteristics CR80 Card Printer Cleaning Card is widely used on all kinds of card equipment such as Card Printer, Card Reader, ATM, Door Lock, etc. CR80 IPA Cleaning Card is constructed from PVC and Polyester Cellulose fabric, it is pre-saturated with isopropyl alcohol. Polyester cellulose material feature high strength and good absorbency, it prolong the cleaning process time to about 10 minutes. Textured surface provide better collecting effect of dirt while cleaning. http://www.mediclean-tech.com/evolis-cleaning-kits/54363488.html