Valve Action Paint Markers now feature faster drying, low chloride, Xylene-free paint, as well as a tough new nib and convenient ClipGrip cap, to increase marking performance while eliminating environmental and regulatory issues that may exist with other paint marking products.In addition, LA-CO Markal enhanced its color options to include four new fluorescent colors (yellow, green, orange and pink) as well as an ultraviolet option to serve as a solution for invisible marking needs.