The PRO-LINE WP is a liquid paint marker engineered for enhanced marking performance and adhesion on wet surfaces. The fast-drying formula resists spreading and running when in contact with water or water-based fluids to leave a bright, permanent mark. Specially formulated paint resists running or spreading on wet or damp surfaces to leave permanent, highly-visible marks. Xylene-free paint reduces user health risks and eliminates California Proposition 65, EPA HAPS and SARA 313 concerns in the U.S.A. Low in V.O.C. s and will not contribute to ground-level ozone. Metal barrel and fiber tip provide durability for longer marking life.