The Stabilo Boss highlighter was designed for those who need to focus on the essentials while reading. This unmatched design classic has been around since 1971. It features STABILO Anti-Dry-Out technology, which provides 4 hours of dryness protection for concentrated work. The highlighter is available in 9 attractive fluorescent colors and uses water-based ink. It is easy and cost-effective to refill and resource-saving due to the use of recycled materials. The highlighter offers 2 line widths: 2 mm and 5 mm.