... Oeko-Test Alloyed bra adjusterMaterial: Zinc-alloyed passed NNS(Neutral salt spray tests).Color: Shinny nickel free, GoldSize: 25mmMoq: 5000pcs ... hand polishment+Rack plating or machanical polishment+barrel plating or spray lacquerStyle: Ring, 8 shape, 9 hook or irregular ... underwear, brassiere, swimwear. 1. High quality passed NNS(Neutral salt spray tests).2. Color: Nickle free, gold, or other metal ...