Winsor & Newton's Designer's Gouache is made by selecting only the finest pigments and highest grade of gums and wetting agents to produce colors with an even flow, exceptional tinting strength and a consistent matte finish. Designers and artists will find Designer's Gouache ideal for a variety of techniques requiring delicacy or tone as an opaque watercolor. Versatile enough to be used with a brush, airbrush or pen on most types of paper or board. All colors are water-soluble and all may be mixed with other watercolors to produce further combinations of opacity and transparency.