It is set in a premium resin base with proprietary stabilizers, making it possible to thin it down to extreme levels while retaining pigment dispersion. Each paint is part of a Flexible Colour Triad System: a segment, or family, of paint colours that are made using the same root colour. Inside each Flexible Colour Triad are six colours that range from dark to light with a consistent hue. With this system, you can easily select paints that create a natural colour progression on your miniatures. 18 ml dropper bottle, includes 2 mixer balls inside. WP3011 Brainmatter Beige