Holbein Acrylic Gouache is a fast-drying, opaque acrylic based watercolor paint. It's water soluble while wet, and water-resistant, matte and opaque, even over dark surfaces. Great for grounds and layering. - Holbein Acrylic Designer Gouache - Set of 12, 12 ml TubesHolbein Acryla Designer Gouache, AG SCHOOL ST 12 12ML - Includes 12 ml tubes of 12 assorted colors, one each Carmine, Scarlet, Deep Yellow, Lemon Yellow, Light Green, Viridian, Ultramarine Blue, Sky Blue, Violet, Burnt Sienna, Jet Black, and Titanium White.