Markal Paint-Riter® Valve Action Paint Marker – Yellow The Markal Paint-Riter® Valve Action Paint Marker in yellow provides bold, easy-to-see markings for identification and layout tasks. Designed for durability, it performs reliably across a variety of surfaces and environmental conditions. Key Features • Bright yellow paint for high visibility marking • Fast-drying, permanent marks reduce downtime • Xylene-free paint for improved safety • Durable metal barrel and long-lasting tip • Works on metal, plastic, glass, rubber, and more