Markal Paint-Riter+ Heat Treat Liquid Paint Markers Liquid paint marker for high temperature resistance. Fast-drying. Unparalleled durability and mark readability. Engineered with PrismaLock technology for long-lasting colors up to 1,800 F (982 C). Xylene-free paint reduces user health risks and eliminates California Proposition 65, EPS HAPS, and SARA 313 concerns in the U.S.A. Pack of 12