... Zipper One way zipper. Good performance in teeth strength. Ideal for shoes fasterner. 1.Material: Alumium, Copper, Brass etc.2.Size Availiable: 3 ... #, 4#, 5#, 8#, 10#3.Teeth Style Available: Y Teeth, ... : Long chain, C/E, O/E, 2 Way O/E, 2 Way C/E6..Hundresds of slider could be selected ... Quality: SGS, INTERTEX 5# Y Teeth One Way Zipper/Shoe zipper