Built extra tough to stand up and stand out on the job. Stronger tip lasts 50% longer than standard Sharpie? fine tip. Marks on the toughest surfaces, including wet, oily and abrasive surfaces. Comfort grip barrel and cap design promote ease-of-use, even when wearing gloves. Rubberized, oval shaped marker will not roll off flat surfaces. Quick-drying ink is waterproof, smearproof and fade-resistant. Marker Type: Permanent; Color(s): Black; Tip Type: Chisel; Ink Types: Non-Washable.