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 vibrant, exciting color that won't muddy when mixed. - Holbein Artists' Gouache - Cobalt Blue, 15 ml tubeHolbein Artist Gouache, CBLT BLU PRMRY 15ML -