Make your mark on the world with Avery Marks-A-Lot permanent markers. These large, thick markers hold over 30% more ink than regular desk-style markers. The resilient chisel tip stays solid even with frequent use & is great for creating various different line widths. The versatile, black permanent marker ink dries quickly when used but won't dry out if you forget the cap. Leave the cap off for up to half an hour & you will still be able to pick the marker back up & keep writing. The permanent ink resists wear & water exposure & is perfect for any use. These markers work with multiple surfaces including paper, cardboard, metal, PVC, concrete, plastic & ceramic. Write on sports equipment, make signs for yard sales, mark boxes & more. Marks-A-Lot chisel tip markers are great everywhere from classrooms & offices to warehouses & manufacturing facilities. Avery Marks-A-Lot permanent markers are also low-odor & nontoxic so that they can be safe in classrooms as well as in laboratories. The ink is ACMI certified as nontoxic & conforms to ASTM D4236.