Staples Duramark chisel-tip black permanent tank markers use quick-drying ink for smudge-free writing. Label boxes envelopes and kraft paper with these Staples Duramark tank markers. Chisel tips let you write in fine or broad strokes and the large round barrels offer a comfortable grip. The permanent ink resists fading to keep your writing looking crisp and clear over time. With 12 pieces in each pack these Staples Duramark tank markers make it easy to stock your desk drawer or supply closet. ? Permanent ink formula is designed to last. ? Create clear black lines with these markers which are well-suited for a variety of office tasks. ? Creates broad and fine lines. ? As these markers are non-toxic they are extremely safe to use. ? Meets or exceeds ACMI AP standard. ? Low-odor ink for your comfort. ? Desk-style chisel tip lets you write in thin or broad lines. Safety Data Sheet. ? Sold as 1 Dozen.