The Sumi Ink is an ancient Japanese traditional mixture of organic materials, created by expert craftsmen. Made from the soot of pine branches, this deep black ink is a must for all the Japanese illustrators, by centuries. This Zig version has a Very smooth flow, especially crafted for drawing, lettering and calligraphy. Water based pigment, the Zig Sumi Ink has a marvellous dense coverage. It can be used for watercoloring tecniques, in order to obtain different depth shades. The ideal tool for Calligraphy Dip Pens, Automatic Pens and brushes. 60 ml bottle, large opening for easy dipping.