Winsor & Newton artists quality Drawing Inks are formulated from a series of soluble dyes in a superior shellac solution. These inks can be applied with Brush, Pen or Airbrush and are widely used by Illustrators, Designers, Calligraphers and Artists. The major advantage of Winsor & Newton Drawing Inks are: Brilliant Colours; Fast Drying and Water Resistant; Fully Intermixable; Easily Diluted (with distilled water) and have excellent adhesion on most types of sized surface. The coloured inks are not lightfast except for the metallic colours and black and white. All the colours are water resistant except for Liquid Indian ink. 26 colours, including Liquid Indian Ink - a water-based solution of traditional Chinese stick ink.