The MARKAL China Marker 96010 is a white, waterproof wax-based marking pencil. It is smudge-proof, grease and water resistant, and will write on most any surface. The mark pencil is equipped with a reversible, aluminum cap with a clip, so it can be conveniently carried or stored. It can be used indoors or outdoors and is ideal for use on wooden, plastic, leather, paper and other types of surfaces. The marker works great for marking mailing labels, and can even be used to label machinery or industrial products.