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