Holbein Artists' Gouache - Burnt Sienna, 15 ml tube G603 Burnt Sienna 15 ml Holbein's opaque matte gouache is Japan's foremost designers' color medium. These paints deliver a brilliant, rich matte finish using naturally opaque pigments - no opaquing agents added. This creates saturated, velvety color that won't muddy when mixed. - Holbein Artists' Gouache - Burnt Sienna, 15 ml tubeHolbein Artist Gouache, BRNT SIENNA 15ML -