Markal Pro-Line HP High Performance Liquid Paint Marker with 1/8" Bullet Tip, White (Pack of 12) Unsurpassed writing on oily, wet, soapy or coated surfaces Highly visible, durable permanent paint that dries quickly and resists wearing or fading Minimizes employee health environmental and waste disposal concerns Excellent on metal, coatings, plastic, glass, ceramic and almost any other non-porous surfaces Medium bullet tip; marking range: -50 degree F to 150 degree F (-46 degree C to 66 degree C)