Koh-I-Noor Dye-Based Drawing Ink, 0.75 Ounce Bottle, Black (9065F.BLA) Professional, transparent dye-based ink; 0.75 ounce bottle Waterproof, fast drying ink with a high gloss sheen Ideal for use with Koh-I-Noor Rapidograph pens (sold separately) and other technical pens, brush applications, airbrushes and dip pens For use on paper, board, film and vinyl surfaces Made in USA