With the Velleda 1741 marker from BIC you can write and draw on all types of whiteboards. The non-permanent whiteboard marker has a round tip and a line width of 1.4mm. The ink colour of this marker is green. The green ink is dry-wipe and can easily be wiped off a whiteboard even after several days. The low-odour ink is based on ketone and therefore not harmful to you as a user.