The Caran d'Ache Luminance 6901 76 piece colour pencil set is a combination of the highest lightfastness and the smoothness of a permanent lead. Every shade has been formulated using finely-ground pigments chosen for their purity, intensity and resistance to UV. Colours can be blended, burnished and layered on a variety of surfaces. The casing is made of California Cedar from managed forests. Also included are 2 Full Blender-Bright Sticks to allow for the blending of colours. the pencil cap indicates the colour of the pencil.