In the 1980s, Sakura surprised the pen industry with the invention of the first gel-based ink creating the first and original gel pen. The iconic, nostalgic Gelly Roll(R) line includes 20 colors (including 5 fluorescents) and 5 gray shades. The unique paint-like quality and performance of Moonlight is ideal for both white and dark papers. These pens feature fluorescent ink that glows under black light. Colors Included in Dawn set: Fluorescent Green, Fluorescent Orange, Fluorescent Pink, Fluorescent Red, and Fluorescent Yellow