Sharpie Black Chisel Tip Permanent Markers feature a unique antiroll barrel design and wide-edged tip for both thick and thin marking lines. The durable tip and ergonomic pen like shape provide comfortable, versatile use. Marker has a chisel tip and quick-drying, alcohol-based ink formula. Use clip to attach to pockets, notebooks and more. Fade-resistant, water-resistant ink further extends multiple project uses. Markers are certified AP non-toxic.