Faber-Castell Dust-free eraser with sleave 62x22x13mm 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.