01)we are manufactuers for different zipper,metal zipper ,nylon zipper,brass zipper and so on 02)size:#3,#5,# ... .all with high quality and reasonable pricesVarious of zippers1) Material :metal,nylon,plastic,pvc,diamond,2) Size :3#, 4#, 5# , 8#, 10 ... , Gideon Sundback revised Judson's idea and made his with metal teeth instead of a hook and eye design. In 1917 ...