Artline Big Nib Whiteboard Markers. Extra bold line widths so messages are easily seen from a distance! Alcohol based pigment ink has a non-offensive low odour and provides dense bold colour. Easily erased with Artline whiteboard erasers, dry linen or tissue paper. Refillable, Xylene Free. Black Ink. 5.0mm Bullet Tip. Each. Order 6 to receive a Box.