zinc alloy shank jean button 1.MOQ:5000 sets 2 Size: 15mm,17mm,20mm, ... Trial order and customized design are welcome 1) Metal/jeans button material: zinc alloy, coper, brass, pear, nylon, shinestone...2) Meatl ... /jeans button size: 14mm,15mm, 17mm, 20mm, 22mm, 25mm...3) Trial ... will be at your service all the time. zinc alloy shank jean button