Xin Yun RFID thermo rewrite RFID card have a heat-sensitive layer which allows text and images to be printed and erased a minimum of 500 times using a standard Re-Write card printer. No ribbon cost. Just use the printer in the same way but without a ribbon. The heat basically triggers a dye within the card that will appear as a solid color. When you have finished with the card, run the card back through the printer and it will wipe the surface ready for re-printing.
