... high quality and good price 2.good touch with perfect effect 3.non-toxic material 4.manufactory 5.on-time delivery Namemetal zipper ... sliderMaterialzinc alloy,brassSizedepends on your orderColourracking black nickel (nickel free)Technicstamp, ... years,especialy in these products buttons,buckles, labels, zipper pulls, eyelets, prong snaps, toggle stoppers, rivets, ...