Zipperstop Wholesale YKK&reg; Sale 7 Inch Zippers Nylon Coil Assorted Colors YKK Number 3 Skirt and Dress - Closed Bottom (50 Zippers/pack) Zipperstop Wholesale YKK Sale 7Inch Zippers Nylon Coil Assorted Colors YKK Number 3 Skirt and Dress - Closed Bottom (50 Zippers/pack) YKK#3 (3mm teeth) nylon coil closed end zippers. Overall length- 8.5" (21.5 cm) actual zipper length- 7" (18 cm) Color may vary on your monitor