Ideal for indoor and outdoor use, these high quality Paint Pens will mark almost any surface with a clear, bold mark.2 - 3 mm Line WidthQuick DryingFade ResistantWater Resistant12 ColoursSurfacesMetalPlasticRubber & TyresGlassOther smooth Non-Porous surfacesApplicationsArts & CraftsDIYMetal ..