Permanent ink isn't the only thing that lasts with these Large Chisel Tip Markers. Their larger-than-usual size delivers a correspondingly larger ink supply, & the ink is low-odor & certified nontoxic. The permanent ink marks virtually any surface, including metal & plastic, & resists water & rubbing to minimize smearing. The durable chisel tip lets you write with a variety of line widths, from bold, high-visibility strokes to smaller lines. With these long-lasting markers, you'll experience enduring satisfaction. Marker Type: Permanent; Color(s): Black; Tip Type: Chisel.