3# 5# 8#nylon zipper(metal zipper,finished zipper) nylon zipper(metal zipper,finished zipper) 1:Zipper Specifications: 3#, 4#, 5#, 7#, 8#, 10# .Nylon zipper or zipper chain are available. 2:Type: Open ... , Close-end and Two-way open," X " type, " O " type zipper available. 3:Slider: 3#, 4#, 5#, 7#, 8#, 10# .Various ...