Markal Paint-Riter Valve Action Markers are a fast-drying liquid paint marker that provides long-lasting, wear and weather-resistant marks that are safe for almost any surface. Featuring a 1/8” diameter tip, it is the most versatile liquid paint marker in the world, the xylene-free paint reduces user health risks and is available in 18 bold and fluorescent colors for accurate mark identification. Marker features a durable metal barrel and an easy to grip clip-cap for convenient pocket storage.