... 2,Material:copper 3,Tape color: D.green 4,Teeth color: antique brass Metal ZipperItem nometal zipperMaterialcopper ... ,long chain etcLength depend on your needSize#3,#4,#5,#8,#10 etc. MOQ 10000pcs per colour ... Sundback revised Judson's idea and made his with metal teeth instead of a hook and eye ... the 'zipper' because the boots could be fastened with one hand. Components Purposemetal zippers can be used ...