The permanent ink isn"t the only thing that lasts with this Marks-A-Lot Large Chisel Tip Marker. Its larger-than-usual size delivers a correspondingly larger ink supply, and the ink is low-odor, nontoxic and certified. The permanent black ink marks virtually any surface, including metal and plastic, and resists water and rubbing to minimize smearing. The marker"s durable 1/5" chisel tip lets you write with a variety of line widths, from bold, high-visibility strokes to smaller lines. With this long-lasting marker, you"ll experience enduring satisfaction. Chisel tip marks in a variety of line widths. Larger barrel provides a larger ink supply. Marks virtually any surface, including cardboard, metal and plastic. Dries quickly and is rub-resistant to minimize smudging. Nontoxic formula allows safe use by children. ACMI certified. Conforms to ASTM D 4236.