0 ml Bottled Fountain Pen Ink.
Test new colors. Very handy when traveling.
 
Bleu nuit (Midnight blue): this is the darkest color after the « perle noire » ink. A color symbol of the sky at night when bursting with stars in the summertime.
 
Herbin is the oldest name in pen inks in the world. "The Jewel of Inks" was created in Paris in 1700.
Herbin uses all natural dyes in their fountain pen inks. This natural composition is reflected in the very neutral pH of the inks.