FriXion Light - Highlighter - Green - Medium Tip: FriXion technology adapted to a highlighter. Highlight, delete, repeat as many times as you like with FriXion Light - without the risk of damaging your paper. Erases cleanly by friction-generated heat with the FriXion eraser nub - leaving no trace. Highlights instantly from the first touch (no shaking or striking necessary). Ideal for maps.