FABER CASTELL Dust-Free Eraser offers the highest performance in clean erasing. It contain no harmful plasticizers, such as phthalate. The unique "Dust-Free" formula of this eraser ensures it remains soft over time, 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. The erasers is latex-free and dermatologically tested & approved.