With Prang's paper wrapped charcoal pencils, pull the string to remove part of the paper and expose more charcoal - no sharpener needed. The charcoal comes in three grades: hard, medium or soft. Packed in dozen boxes. PMA certified non-toxic
Key Features :
i : Uniformly smooth to ensure easy laydown
ii : Soft core, Paper wrapped with easy pull string for self sharpening
iii : Made of select charcoal, finely ground and free of impurities
iv : Drawing paper or other toothed papers give best results
v : AP certified non-toxic
