SPEEDBALL-Super Black India Ink. Easily applied with Speedballs pens; brushes or airbrushes. Waterproof; free-flowing; non-clogging. Ideal for drawing; cartooning; lettering; calligraphy; scratchboards; airbrushing; and much more! Contains 100% carbon black pigment-no dyes; superior lightfastness. Conforms to ASTM D4236. Imported.