The STAEDTLER Mars Plastic 526 50 is a high quality, reliable eraser for use on all kinds of paper.This eraser wipes away mistakes cleanly, leaving no traces behind. It is designed to produce minimal crumbling, leaving less debris after use. Its cardboard sleeve and protective cellophane wrapper retain its shape and last longer than normal. The eraser's larger rectangular shape means it fits easily in the hand, and makes erasing as comfortable as possible. It is moreover age-resistant, and can be stored and used for a very long time.Wipes mistakes away cleanlyProduces minimal crumblingSliding card sleeve maintains eraser's shape for added durabilityFree from phthalate and latexNo discoloration of paperComfortable to graspAge resistantApprox. 65 x 23 x 13 mm