Jo Sonja's Artist's Colors are flow formula acrylics offering the look and feel of traditional gouache. Versatile enough to be used for design, works on paper and decorative art, providing opacity of color and a beautiful matte finish. Color layering throughout your painting is easy with Jo Sonja's Artist's Colors as they dry within minutes allowing them to be easily painted over without lifting the color underneath. Made from only the purest pigments, colors will remain true and vibrant allowing all your are to stand the test of time for generations.