Jacques Herbin is the oldest name in pen inks in the world. He created "The Jewel of Inks" in his shop on the Rue des Fossess Saint-Germain in Paris in 1700. Jacques Herbin Pen Ink is water-based and colored using all natural dyes. This lightfast, fast drying and smoothly flowing ink can be used in your favorite fountain pen, rollerball, glass, and dip pens. Also available as a 10 ml bottle, 30 ml bottle and standard fountain pen cartridges.