Hey teachers and presenters! These STABILO OHPen markers are absolute game-changers for writing on pretty much any smooth surface you can think of - whiteboards, glass, overhead projectors, you name it. The fine 0.7mm tip gives you that perfect line width for clear, readable writing without bleeding or smudging. What's really cool is they're water-soluble, so cleanup is a breeze, but they still last up to 3 days with the cap off (not that we recommend testing that limit!). The non-slip grip zone makes them super comfortable for long presentation sessions, and that practical clip means they won't go rolling off your desk. You get 10 blue pens in this pack, which is perfect for stocking up your classroom or office. The grey body with blue text looks professional, and the ventilated polypropylene cap prevents that nasty dried-out marker smell. Seriously, if you're tired of markers that die after a few uses or don't work well on different surfaces, these are your solution. They've got that quality German engineering that STABILO is known for, but without the crazy price tag. Whether you're teaching a class, running a meeting, or just need reliable markers that actually work, these won't let you down. The fine tip is perfect for detailed diagrams or small handwriting, and the water-soluble ink means no more permanent mistakes on your expensive whiteboards!