These paint markers produce a rich metallic finish with a solid opacity. The chisel tip nib allows for the use of both thick and thin lines. These markers can be applied to most surfaces including wood, metal, wicker, most plastics, glass, sealed plaster, ceramic, most fabrics and paper mache. They are pigmented, acid-free, lightfast and opaque. These non-toxic, lead-free paint markers are suitable for both indoor and outdoor use.