Flashe is an extra fine, vinyl-based professional grade of matte permanent colors. It offers optical characteristics similar to gouache, old tempera paints and primitive painting grounds - the result is matte, velvety and opaque. Extremely highly pigmented, Flashe may be diluted with water to create a range of possible techniques - from dense, highly opaque application to transparent watercolor effects. Flashe is so versatile, it may be used inside or outside