J. Herbin is the oldest name in ink production in the world. J. Herbin created “The Jewel of Inks” at his shop on the Rue des Fosses Saint-Germain in Paris in 1700. Herbin ink was used by Louis XVI, Napoleon and Victor Hugo For fountain pens, fountain pen rollers and glass pens. Non toxic and pH neutral Light fast Water based, non toxic Flows smoothly and is fast drying La Perle des Encres 26 beautiful colors! J. Herbin uses all natural dyes in their fountain pen inks. This relatively “natural” composition is reflected in the very neutral pH of the inks. Bleu Myosotis /15 can be erased Bottled Fountain Pen Ink Each bottle of 30 ml. is elegantly labeled and has an integrated pen rest. They are known as “D bottle pen inks”. The “D” refers to the old French unit of measure “la Demi Courtine” Sold per 4 bottles, per color or assorted (indicate choice of colors)