PVC-free 7095 rubber with sheath The quality of a rubber and the use of the right rubber are the prerequisites for obtaining a perfect result. Basically there are two fundamental components: rubber and plastic. But the gg ior part of the Faber-Castell tires are PVC-free. PVC-free rubbers do not contain phthalates. The erasers guarantee perfect erasing without smudging. Product details Soft rubber to erase without dirtying Excellent for erasing without smudging White color ATTENTION: Pack of 20 tires.