ZIG Sumi ink is water-based pigment ink, quick drying, smudge-proof with alcohol-based markers and more traditional for calligraphy. Pair with Menso brushes and Kolinsky brushes or use with Pen nibs. Suitable for both professional artist and amateur hobbyists. 60ml 2.02 fl oz. Package Dimension: 61×61×51mm (2.40×2.40×2.01in). MADE IN JAPAN.