Since 1882 Prang Art & Craft solutions maintained an uncompromised quality to ignite the passion of our valued creative customers. Prang's paper wrapped charcoal pencil offers the finest quality, suitable for anyone from the beginning artist to the professional illustrator. It's paper wrapped for strength and cleanliness. Use the easy pull string for self sharpening. Uniquely smooth laydown formula, thanks to the selected top quality charcoal free of any impurities. AP certified Non toxic