Van Gogh oil pastels are brilliant colours made with pure pigments, mineral oils, and wax binders for a remarkably soft and smooth laydown with no dust. 
Wonderful tinting strength and easy colour transfer. 
Suitable for use on various grounds and surfaces. 
This oil pastel stick of Turquoise Blue 522.5 is formulated with pigments PB15/PG7 and has a lightfastness rating of +++ (at least 100 years lightfast under museum conditions).