HIMI 36 Colors 12ml Gouache Paint Set Gouache paint consists of natural pigment, water, and a binding agent usually gum arabic or dextrin, which is designed to be used with opaque methods of painting. Perfect for commercial artists on posters, illustrations, and other design work. Similar to watercolor, gouache can be re-wetted and it dries to a matte finish. Similar to acrylic or oil paints, it is normally used in an opaque painting style and it can form a superficial layer. Twin Jelly Cup Design, More Color Choices HIMI Gouache Paint Set, 36 Colors x 12ml Specification: Net Weight: 12ml/Unit Weight: 1.88 pounds Dimension: 11.02 x 6.77 x 1.