Speedball's newest line of India Inks boasts a UNIQUE formulation to Speedball’s Super Black India Ink that delivers the same performance benefits of the original. Speedball India Inks boast unmatched vibrancy in color, permanence, opacity and optimized fluidity in a verified vegan formulation. Ideal for calligraphy, lettering, illustration, journaling and watercolor techniques. For use with dip pens, technical drawing pens, and brushes. Highly waterproof immediately after fully dry.