Choose from our EZ Koat 20, EZ Koat 30, or Onyx 30 (pictured) for converting untreated stock to Indigo-ready substrate. Compatible stocks include card stock, synthetics, plastics, lenticular and thin. After printing the primed stock, flood coat (EZ Koat 20/30) or flood and/or spot coat (Onyx 30) to enhance and enrich your prints.