Van Gogh watercolours are rated as a student and artist level paint range. They feature brilliant, transparent and intense colours with high tinting strength. Thanks to the purity and uniform viscosity, these watercolours 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 10 ml tube of Opaque White 106 is formulated with pigment(s) PW6, is opaque, and has a lightfastness rating of +++ (at least 100 years lightfast under museum conditions).