The original distinctive shaped highlighter is Europe's # 1. The STABILO Anti-Dry Out Technology allows an incredibly 4 hour cap off time. It is easy to refill at anytime and anywhere. The wedged tip draws broad lines, highlights and underlines important parts of your documents and has line widths of 2mm and 5mm. The STABILO BOSS is the only highlighter that comes in 9 fluorescent colours to make your work colourful.