These Artline 2-in-1 Whiteboard Markers combine a fine 1.0mm and superfine 0.4mm bullet tip, allowing you to make sure that your detailed writing and drawing is as precise as can be. With two tips, one on each end of the pen, you can save the trouble of buying two different sets of pens for your needs. They write with ease on any whiteboard or electronic whiteboard and allow you to erase your work with a simple dry wipe. The ink is completely odourless and designed to flow as smoothly and cleanly as possible. This pack contains 8 pens in assorted colours.