Caran d'Ache Luminance 6901 Colour Pencils
Lead: water-resistant, smooth with a maximal covering power and a high pigment concentration for bright and intense colours. 38mm diameter.
Lightfastness: compliance with the highest international standards concerning a colour pencil's lightfastness ASTM D-6901.
Wood Shaft: best cedar, certified FSC (Forest Stewardship Council).