J. Herbin Bleu Azur fountain pen ink features natural dyes and a neutral pH formula. The 30 ml bottle has a built-in holder that keeps the pen horizontal and belongs to the “D bottle pen inks” range, a name that refers to the old French unit of measurement “La Demi Courtine”.

The ink is water-based, writes smoothly and dries quickly. Bleu Azur is a shade of blue.

• Type: Fountain pen ink
• Format: Liquid ink
• Color: Blue
• Volume: 30 ml
• Base: Water
• pH: Neutral
• Dyes: Natural
• Drying time: Fast
• Pen holder: Built-in, holds the pen horizontally