The BIC Velleda Whiteboard Marker features a liquid ink that will mark beautifully on all whiteboard surfaces. These BIC Velleda whiteboard markers have a unique liquid ink technology that writes longer than most other BIC Velleda markers. The drywipe ink has exceptional erasability, making them ideal for everyday use in the home and office or classroom environments. Features include low odour ink, which is alcohol-based so it wont affect the user. There is also a barrel window so you can monitor ink levels. Highlighters & MarkersGBP102465