Zipperstop Wholesale YKK&reg; Zipper Chain 3 Yards YKK #10 Nylon Coil Chain Color Black (3 Yards/pack Plus 3 Long Pull Sliders) Zipperstop Wholesale YKK Zipper 3 Yards YKK #10 Nylon Coil Chain Color Black (3 Yards/pack) The These zippers are thoroughly tested for strength and durability. Color may vary in your monitor.