109 highly pigmented colors in 20ml tubes. Holbein Acrylic Gouache moves, reacts, blends and feels like traditional gum arabic gouache. Holbein Acrylic Gouache is water resistance once dry. Drying to a velvet matte finish; Holbein Acrylic Gouache does not shift in color tone from liquid to dry color. What you see wet is what you get once dry. Holbein Acrylic Gouache does not have the same fragile surface as traditional gouache in gum arabic and is compatible with all other water soluble media regardless of origin. This Mixing Set Includes 5 primary colors - Primary Magenta - Primary Yellow - Primary Cyan - Primary Black - Primary White