These Pen+Gear Fine Tip Permanent Markers come with alcohol based dark vivid ink makes them ideal to use on most surfaces. They deliver bold and rich color with a fine point that renders precise lines. Permanent markers are not only smudge-proof but also water-resistant, making them suitable for outdoor use as well. These pens offer a smooth high-quality, everyday writing experience with specially-formulated permanent ink. They are great for arts and crafts, adding flair to notes, and more. Check out other Pen+Gear products like notebooks, pencils, paper, sticky notes, and more for all your office and school supply needs. Bring home the Pen+Gear Fine Tip Permanent Markers.