These 100% acrylic, smooth, thick colors are offered in a large assortment of unique pure pigments. There are no fillers, extenders, opacifiers, toners or dyes added. They render excellent permanency and lightfastness. Each color is formulated differently depending on the nature of the pigment. Colors that tolerate higher pigment loads dry to a more opaque, matte finish. Colors that are more reactive and do not accept high pigment loading dry to a glossy finish and tend to be more transparent.