This is a 6-color set of Tombow Pencil's long-selling water-based color sign pen, "Play Color 2." It's a twin-tip pen with an extra-fine plastic tip (0.4 mm) and a thick fiber tip (1.2 mm). It uses water-based dye ink and is characterized by its vivid colors. Suitable for various uses such as writing in notebooks and planners, and outlining illustrations.