ZipperStop Wholesale Authorized Distributor YKK&reg;Sale 36" Jacket Zipper with Ring Slider YKK #5 Aluminum Metal Separating - Color 580 Black (1 Zipper/pack) ZipperStop Wholesale Authorized Distributor YKKSale 36" Jacket Zipper (Special) with Ring Slider YKK #5 Aluminum Metal Separating - Color 580 Black (1 Zipper/pack) YKK aluminum zippers are made from the highest quality metal. Thoroughly tested to ensure strength & reliability. Silver Teeth. Color may vary on your monitor.