Compressed Charcoal is made from a scorched blend of black, wood ground charcoal, gas and Chasov Yar clay. It is a soft-medium grade, producing even coverage. Measures 4-3/8" in length and varies in thickness.
Natural Willow Charcoal is produced from willow branches scorched without air access. Willow Charcoal produces smooth coverage of a soft-medium grade, which provides easy shading from black to pale grey.