metal zipper: 1, Material: aluminum; 2, Zipper teeth color: rainbow color; 3, NO.3 to NO.8 are available. Rainbow color metal zipper:1, Aluminum zipper;2, NO.3, NO.5, NO.8 are all available;3, Can supply closed end, open end, 2 ways and long chain;4, Plating: teeth color in rainbow color.5, High quality and reasonable price. rainbow color metal zipper