Koh-i-noor 10 X 20g Colored Drawing Inks 141731 by Koh-I-Noor 10 x 20 ml colored drawing inks for airbrush, brush. Artistic inks are water dispersion pigments in a solution of natural resin designed for professional artists and starting artists Inks are temperable and are suitable for painting with a brush or pen. They are produced from high quality shellac and first class inorganic or organic pigments. Black, Blue, Teal Green, Burnt Umber, Yellow, Red, .....