Cretacolor is a leading dry media manufacturer based in Austria where all its products have been manufactured for decades. Cretacolor's products are internationally recognised as being of very high quality. The kneaded eraser, also known as putty rubber, is a tool for artists.This extra-soft Kneadable Eraser is an indispensable tool when working with Pastel, Charcoal or Graphite products. It absorbs the chalk dust by blotting and wiping the surface, without damaging the drawing paper. Simply remove rubbings from the eraser when necessary. The Kneadable Eraser can be shaped easily into any form for precision work. These erasers are especially suitable for lightening, correcting and cleaning of drawings but can also be used for adding highlights. The Cretacolor Kneadable Eraser comes in two sizes: Big & Small.