Sakura Solidified Paint Low Halogen Marker, Black (Box of 12) This marker is a low chloride and low halogen solidified paint formula Ideal for environments where corrosion and metal fatigue are a concern Low halogen marker contains less halogens (Br, Cl, F, I) and metal ingredients (Zn, Pb, Hg, Cu, Fe, S) meeting RDT F-7-3T requirements and is certified non-toxic The handy applicator features an easy twist-up mechanism that keeps paint ready to use The paint dries quickly in minutes, is waterproof, fade and chemical resistant