Metal Zipper High polish teeth made of brass. Symmetrical teeth-running smoothness in both direction. 1.Material: Alumium, Copper, Brass etc.2.Size Availiable: 3#, 4#, 5#, 8#, 10#3.Teeth Style Available: Y Teeth, Corn Style Teeth, Double Dot Teeth, Euro Style Teeth, Stanadard Teeth.4.Teeth Color Available: Shinny Silver, Shinny Gold, Antique Brass, Antique Silver, Light Gold, Rose Gold, Shinny ...