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