... print,simply transfer.dark and light heat transfer paper, sublimation mug 1.suitable for sublimation ink 2.used in mugs, fabric , coating ... not operate with the laser printer and the printer in sublimation ink, like HP and Cannon printer.5. Must use ... , it needs 170°C, 60 seconds.3. Peel the paper immediately. Be careful the paper maybe hot dark and light heat transfer paper, sublimation paper