Description Koh-I-Noor Water-Resistant Drawing Ink is ideal for use in a Rapidograph or other technical pens, in an airbrush, or with a dip pen. Its available in Opaque Black and Opaque White, and in 17 vivid, intermixable, transparent colors that can be diluted with distilled or boiled water.Drawings made with the colored inks should not be exposed for prolonged periods to direct sunlight or strong artificial light. (Opaque Black and Opaque White are lightfast.)All colors are available in 1 oz (30 ml) plastic bottles.
