Premium quality eraser that is phthalate and latex free, the Staedtler Mars Plastic Eraser gives a professional performance and ideal for draftsman or students where the importance of presentation is critical. It leaves no discolouration on paper, is age resistant and erases with minimal crumbling. Mars plastic erasers provide practically residue-free erasing, which is precise and clean. Supplied in a protective cellophane wrapper with practical tear and open strip along with a sliding sleeve for convenient handling.