A fine powder that absorbs dirt and graphite is used in this dual-purpose nonabrasive eraser to clean the drawing surface. Grease and grit are absent from gum eraser. Artwork can be cleaned safely. All papers, boards, and textiles can be used with it. wears off; it doesn't scratch or mar. Dry cleaner and dual-purpose eraser. removes and cleans leather, cloth, and paper without smudging or scratching. The drawing surface is cleaned by a fine, dry powder that absorbs dirt and graphite.