Faber-Castell Perfection Rubber Pencil The quality and use of the draft is crucial for optimal results. Basically, two different materials are used to make erasers: rubber and plastic. All rubber erasers and most manufactured plastic erasers are PVC-free. PVC-free erasers do not contain phthalate, which is a harmful plasticizer. Phthalates have been found to cause various undesirable effects when exposed to the human body. The balanced plastic blend ensures a smooth and stain-free erasure. Features: Precision eraser Soft eraser in red for pencils and carbonless paper Hard eraser in white for ink, Indian ink and ballpoint PVC-free Brand: Faber-Castell