Kneadable Art Erasers are the perfect choice for correcting charcoal, pencil and pastel work. They are easily kneadable and absorbent and leave no residue behind. - For correcting and lightening charcoal and pastel work, for cleaning slides and final drawings, extremely kneadable and absorbent - Available in grey PVC-free As a world leader in the production of erasers, Faber-Castell avoids the use of harmful softeners. Most erasers are made from PVC-free plastic. Faber-Castell