Dr. Ph. Martin's Black Star Hi-Carb India Ink  Dr. Ph. Martin's Black Star India inks are permanently light-resistant and waterproof when dry. This gloss finish ink will not reflect light, making it ideal for use on paper, blackboards, and canvases. It produces excellent results when used with technical pens or calligraphy pens. Flows through a nib tip up to 0.134 mm. Although extremely opaque, this ink does not contain any varnish or shellac. It comes in a 30 ml bottle with a dropper. Colour: Black Brand:Dr. Ph. Martin's