Jack Richeson NATURAL WILLOW CHARCOAL is created from willow branches. This charcoal has smooth coverage, is soft and easy to hold and use, and designed for professional use. This charcoal is unique because it is made from willow branches and it can produce a wide range of colors from grey to deep black. Charcoal from willow is preferable by many artists, and these charcoals are popular among both amateur and professional artists. The charcoal is 4 3/8-inches in length, and the thickness varies. This product comes with 50 sticks of charcoal and they are stored in a wooden storage box.