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. Set includes (4) 12ml inks and eyedropper. Black Velvet (Matte), Ruby, Sapphire, Satin White (Opaque). For use with dip pens, technical drawing pens, and brushes. Highly waterproof immediately after fully dry.