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 papier mache. They are pigmented, acid-free, lightfast and opaque. These non-toxic, lead-free paint markers are suitable for both indoor and outdoor use.