Two line widths of 2 mm and 5 mm make STABILO BOSS ORIGINAL ideal for highlighting and underlining important parts of your documents. An incomparable design classic with a range of colors for well-organized work. A perfect companion for schoolchildren, students, office workers, and design professionals; great for adding color to hand-lettering or journaling. The STABILO Anti-Dry-Out Technology ensures 4 hours of dry-out protection for concentrated work without having to put the cap back on. Proven STABILO quality for shading, underlining, and emphasizing.