ZINK Photo Paper Pack for the Canon IVY Mini Photo Printer:20 Sheets of 2″ x 3″ ZINK Photo PaperPeel-and-Stick BackWater & Tear ResistantSmudge-FreeIncludes: 2 Packs of ZINK Photo PaperEach Paper Pack has 10 Sheets and 1 Smartsheet.What is ZINK and how does it work?ZINK stands for “ZERO INK” printing technology. Instead of ink, it uses colorful dye-based crystals embedded inside the paper. Before printing, the embedded dye crystals are clear so ZINK Paper looks like regular, white photo paper. The ZINK-enabled device uses heat to activate and colorize these crystals.