€¢ Alcohol based ink marks permanently on virtually any surface €¢ Leak proof, 6 inch metal barrel won't crack, melt or break €¢ Water resistant, fast drying ink allows immediate surface usage €¢ Will not bleed through paper €¢ Durable chisel >> Excellent durability! Six inch metal barrel is perfect for tough environments. Won't crack, melt, or break. Leak-proof, seamless metal body, heavy-duty chisel felt-tip with anchored nib construction. Permanent, alcohol based, fast drying ink is fade resistant on glass, plastic, metals, wood, cellophane, paper and more. Four colors available. Packed 12 per Box.