... chain zipper 1: Zipper Specifications: 3#, 4#, 5#, 7#, 8#, 10# (Y teeth, normal teeth, double-dot style, and corn style, etc ... ). Finished zipper and long chain zipperare both available.2: Type: Open end, Closed end, Two-way open ... end, and Two-way closed end; " X " type, " O " type zipper available.3: Slider: 3#, 4#, 5#, 7#, 8 ...