2 Combination of Faber-Castell Pencil Erasers, DUST FREE (Excellent clean erasing and Specially Formulated for Art & Graphic Use) Pack contains: 2 Pieces 1 Piece of Eraser DUST FREE (Specially Formulated for Art & Graphic Use), this eraser is specially formulated for art/graphic use and can also use with colored pencil. 1 Piece of Eraser DUST FREE (Excellent clean erasing), this eraser is excellent clean erasing, excellent eraser for exam and best for black leads. They are erases easily and evenly with very light pressure and both are high quality of eraser. Both are dust free erasers.