Intense, semi-flat black finish produces the most opacity available in any drawing ink. Excellent adhesion properties for use on drafting film, paper or boards. For use with calligraphy pens, technical pens and airbrushes. 1-oz. dispenser bottle. Ink Color(s): Black; Refill(s) For: N/A; Capacity (Volume): 1.000 oz; Ink Bottles Special Features: Drawing/Semi-flat finish, waterproof.