Famously developed in 1949 for Pablo Picasso, Sennelier oil pastels are produced to a superior quality & remain one of the most widely used and highly regarded oil pastel ranges available today. Made using a pH neutral mineral wax, pure synthetic binding medium & high concentrations of artist-quality pigments, each pastel offers smooth, consistent applications & vibrant, striking colours. Lightfast, non-toxic & acid-free, they're suitable for use on a myriad of surfaces & produce beautiful multi-media effects.