Test new colors. Very handy when traveling. For fountain pens and glass pens Water-based, 10ml Go see in the ' Specifications ' section below the PDF file to view the colors Violette pensée (Pensive violet): this color is also a flower from the very same name. Since Napoleon I, French pupils used violet ink color, the least expensive color. This ink was made of methyl-violet, also used to disinfect wounds.