Faber-Castell Dust-Free eraser series offer the best performance in clean erasing. It also does not contain harmful plasticiser - Phthalate | The unique 'Dust-Free' formula makes the eraser soft and guarantees excellent clean and smear-free erasing | The eraser residue and dust easily roll together for easier clean up | The comfort edge (chamfered corners) are thoughtfully crafted for precise erasing and prevent breakage | Also, the erasers are latex-free and dermatologically tested and approved | Minimum waste | Waste rolls up and sticks together | Clean and smudge-free erasing