Yasutomo KF2, FU2R Waterproof Liquid Sumi Ink, 2 oz, Assorted Colors
This liquid sumi ink is made of high-quality vegetable soot. Eliminating the need for grinding an ink stick, as with traditional sumi ink, it conveniently saves time and is economical.
Yasutomo Waterproof Liquid Sumi Ink is permanent and lightfast when dry. Formulated for sumi painting and calligraphy.