The quality of an eraser and using the correct eraser are crucial for optimum results.
Basically, two different materials are used to make erasers: rubber and plastic. All rubber erasers and the majority of the plastic erasers made by Faber-Castell are PVC-free.
Faber Castell PVC Free erasers do not contain harmful phthalate plasticizer. Phthalates have been reported to cause several undesirable effects when exposed to the human body.
The balanced plastic mixture guarantees soft and smear-free erasing.
Clean and soft erasing.
Optimum results without smudging.
Colour: white.
The Faber Castell PVC Free Eraser measures 62mm x21.5mm x  11.5mm.
Also for erasing black lead.