3# nylon zipper(finished zipper,bag zipper) Type: Open-end, Close-end ... type, " O " type zipper available. nylon zipper(finished zipper,bag zipper) 1:Zipper Specifications: 3#, 4#, 5#, 7#, 8 ... open," X " type, " O " type zipper available. 3:Slider: 3#, 4#, 5#, 7#, 8#, 10# .Various design ... for the slider-puller are available according to customer's requests.Quality ensured ...