The Ocean set consists of 1 black and 2 blue colors of strikingly shiny metallic Gelly Rolls: Blue (536), Blue Black (543) and Black (549) metallic gel pens. The Sakura Gelly Roll contains a special gel with water-based pigment for bright, powerful colors that never fade. Thanks to the unique gel technology, the ink flow from the pen is always constant, until the very last stroke, without the need to exert pressure. Great for writing, drawing, decorating, scrapbooking, greeting cards and other hobby applications with metallic gel pens. metallic has a magical, shiny effect on white, black and glossy paper. The metallic gel pens are available in a collection of 14 strikingly shiny colors.