tie bar, Materia:copper,plating 24k gold with soft enamel or glass. tie bar,1) Material:gold,silver,copper,brass,iron,zinc-alloy,iron and so on ... plating and so on .5) Color Reference : (Pantone Color Chart) -- With soft enamel , hard enamel / cloisonne ,pad or screen printing , by ... freight , by sea or by DHL/TNT/UPS/EMS/...Express. tie bar