Van Gogh watercolors are rated as a student and artist level paint range. They feature brilliant, transparent, and intense colours with high tinting strength. Most colours are rated with the highest degree of lightfastness +++ (100+ years under museum conditions) with a few colours rated just one step below at ++ (25-100 years under museum conditions). Thanks to the purity and uniform viscosity, these water colours are easy to work with and easy to mix. Proudly produced in Holland with stringent quality control for a consistent experience with every purchase. This 12-half pan water colour set is packed in a plastic pocketbox, and also includes a round synthetic hair brush (size 6) and a mixing tray. This specialty selection includes metallic and interference colours: Silver 800, Light Gold 802, Deep Gold 803, Copper 805, Bronze 811, Graphite 840, Interference White 843, Interference Yellow 844, Interference Red 845, Interference Blue 846, Interference Violet 847, Interference Green 848.