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