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 Rouille d'ancre (Rusty anchor red): this color also refers to the journeys of J. Herbin, when traveling at sea. This color comes from the rust found on the anchor of the boats when moored in one location for a very long time.