Pilot Juice Gel Ink Pen-0.5 mm-White, 3 pens per Pack (Japan import) [Komainu-Dou Original Package] Color: White Ball diameter: 0.5mm Ink: Water pigments gel ink. Ink with very few blots. It is possible to write in black paper and the photograph. A newly developed chip is installed. A thick, vivid handwriting is achieved.