Golden OPEN Slow-Drying Acrylics Landscape Set. Seven - 22 ml Acrylic Tubes, One - 59 ml Acrylic Tube, One 30 ml OPEN Thinner. GOLDEN Acrylics remain wet far longer than other acrylics, facilitating blending, softening, shading, glazing and fine detail. They resist skinning on the palette during long painting sessions. These unique characteristics make them ideal for a range of techniques including portraiture, plein air painting, and mono-printing. Includes: 22 ml Cadmium Yellow Primrose, Yellow Ochre, Cadmium Red Light, Alizarin Crimson Hue, Ultramarine Blue, Manganese Blue Hue, Sap Green Hue, 59 ml Titanium White, 30 ml OPEN Thinner and an OPEN Application Guide.