The origin of Sennelier Oil Pastels, at the request of Pablo Picasso himself, is a good indication of the level of quality here. Gustave Sennelier created them in 1949 when the great man requested intense colours that he could use on as many surfaces as possible luxurious lipstick-creamy texture & extremely high pigmentation that provides excellent coverage & is fully lightfast You can apply Sennelier Oil Pastels direct or blend them with your finger or cloth, & you can also dilute them with turpentine & blend them with a brush Also available as: Sennelier Oil Pastel Set of 24 Sennelier Oil Pastel Landscape Set of 24 Sennelier Oil Pastel Colours in Wooden Box Set of 36 Sennelier Oil Pastel Landscape Colours in Wooden Box Set of 36 Sennelier Oil Pastel Wooden Box Set of 120 Sennelier Oil Pastel Set of 72