Faber-Castell moldable PVC-free eraser The excellence of the eraser and its appropriate choice are essential to achieve optimal results. Generally, two different materials are used in the manufacture of rubber: rubber and plastic. All rubber erasers and the vast majority of Faber-Castell plastic erasers are PVC-free. Faber-Castell PVC-free erasers do not contain harmful plasticizers. It has been proven that phthalates can cause harmful effects when they come into contact with the human body. The balanced formulation of the plastic guarantees a clean correction without stains. Brand: Faber-Castell.