1.High quality Brass Zipper. 2.Nylon,plastic,invisible,metal,waterproof,rhinestone zipper are available 3# Open End Golden Zipper Existing Size: 3#,4#,5#,7# 8#,10 ... quantityMaterial: Nylon Zipper, Vislon zipper, Metal long chain zipper.We provide different sliders, such as auto-lock slider,semi-lock slider,non-lock slider,pin-lock slider, reversible ...