The STABILO Boss Highlighter is the original fluorescent highlighter with its distinctive shape, 2 line widths and long lasting high fluorescence.The STABILO Boss Highlighter is Europe\'s number one highlighter with up to 4 hours of cap - off time, while its 2mm to 5mm line width allows for precise and varied highlighting. The fluorescent highlighter is ideal for quick and easy highlighting of documents, revision work, notes or for emphasis in the meeting room. It is perfect for use in the office or home.. The original vibrant highlighter and Europe\'s Number 1. Anti-Dry Out Technology: 4 hour cap off time. Refillable. Wedge tip draws broad lines, highlights and underlines. The only highlighter that comes in 9 fluorescent colours