Winsor & Newton Drawing Ink is a traditional drawing ink in iconic small ink pots. Its dyes are dissolved in shellac. They can be diluted with distilled water, except for gold, silver and white colors. The ink is quick-drying, water-resistant and transparent. Perfect for drawing with a brush, nib and airbrush. Perfect for design, illustration and calligraphy. The range includes 26 colors, including liquid Indian Ink - traditional Chinese ink in liquid form. All colors can be mixed and layered to create new colors. Only white and black colors are permanent.