Van Gogh watercolors are a student and artist level range of paints featuring brilliant, transparent, and intense colors with high tinting strength. Most colors are rated with the highest degree of lightfastness +++ (100+ years under museum conditions) with a few colors rated just one step below at ++ (25-100 years under museum conditions). Thanks to the purity and uniform viscosity, these watercolors are easy to work with and easy to mix. Proudly produced in Holland with stringent quality control for a consistent experience with every purchase.