Koh-I-Noor Water-Resistant Drawing Ink

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. It's 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...