Conte a’ Paris Sketching Carre Crayons - Colour Black - B - Size - 6 mm x 6 mm x 63 mm pastel stick give accurate and energetic strokes when the edges of the stick are used.The Skething Carres are manufactured using natural pigments, clay (kaolin) and a binder (cellulose ether). The Carres are extruded, dried & baked to arrive at the finished product. The degrees in White & Black are obtained by the extent of baking. Available in a range of 14 colours.