Sennelier Oil Pastels, manufactured in Paris, are made with carefully selected mineral and organic pigments, mixed with a specially formulated non-drying binder, and combined with the finest quality wax. Sennelier Oil Pastels have an exceptionally creamy texture. They adhere strictly to standards for acid-free and archival permanence. The binder and mineral wax are both acid-free.Sennelier Oil Pastels can be combined with other painting mediums to achieve unique effects. The concentration of high-quality pigments used in Sennelier Oil Pastels gives them exceptional covering power, vibrancy, and intensity. This set include 72 assorted colour pastel. A great introduction to Sennelier's oil pastel line, with a fantastic range!