Liquitex Gouache Acrylic Plus is an opaque acrylic paint that covers the color underneath. It dries to a flat, matte finish. It resists cracking, and its color changes little from wet to dry.
The range has 50 colors. Each color comes in a 20 ml tube that is sold on its own. Sets come in 12 and 24 colors of 20 ml tubes. There is also a starter set that comes with brushes and a palette.
Once dry, the paint no longer dissolves in water. It hides the layer below, so you can paint one color over another.