... .Material:zinc-alloy 2.Color:Nickle free,gold 3.Size:16-18mm 4.Less moq quality passed Oeko-Test Alloyed bra ... , 13mm, 14mm, 15mm, 16mm, 18mm, 19mm, 20mm.Extensive use: Lingerie, underwear, brassiere, swimwear. 1. High quality passed NNS(Neutral salt spray ... the goods zinc alloy bra adjuster bra slider bra hooks underwear accessories