J. Herbin Fountain Pen Ink comes in a 30ml glass bottle and features a fresh new blue with a hint of green - Bleu Calanque that is reminiscent of a cool river stream. Perfectly sized for traveling, use this quick drying, lightfast and waterbased ink ink in your favorite fountain, rollerball or glass pen. Handcrafted in France each ink is colored using all natural dyes and is both non toxic and pH neutral.