This pack of Derwent Specialist Artist Erasers contains two high performance, non-abrasive erasers. The Technique soft Eraser is a soft textured eraser that can be used to gently lift charcoal and graphite from your paper. The Artist Eraser has a hard texture and is best for use on dense areas of graphite or soft coloured pencil. They both have a strong absorption quality and are non-toxic and latex free.