Get straight to the point with Marks A Lot Permanent Markers. Strong bullet tip stays solid even with frequent use and is great for creating clean lines in tight spaces. This remarkable ink sets in quickly when written but won't become dried out if you forget the cap. Leave the cap off the marker for up to 30 minutes, and you'll still be able to pick it back up and keep writing. Versatile permanent ink resists wear, fading and water exposure. These markers work on almost all surfaces including paper, cardboard, metal, PVC pipes, concrete walls, plastic and ceramic. Great for marking sports equipment, creating yard sale signs and marking boxes in warehouses. Permanent markers cover every use for classrooms, offices, manufacturing facilities and more. Nontoxic, acid-free markers are safe for children.