The Xiaomi Mi Portable Photo Printer Paper is used to create photos with the Mi Portable Photo Printer. It supports Zink technology printing which uses micro-crystal dyes embedded in the paper, this way no ink is need and images are formed when the photo paper is heated by the printer head. This pack comes in sheets of 20 in a size of 2 x 3" which fits perfectly into the portable printer. The paper has an adhesive back that can be peeled off so you can stick the photos to any surface you want. This photo paper is only compatible with the Xiaomi Mi Portable Photo Printer.