With the unique XS-20L paper, you can print square pictures with a border for writing on, reminiscent of traditional instant film. The prints offer a cool retro look and look great on the wall or in a scrapbook. For maximum simplicity, the XS-20L is sold as a paper and ink set suitable for a set number of prints, after which the ink is replaced.this paper is only compatible with the SELPHY SQUARE QX10 model.