ZipperStop Wholesale Authorised Distributor YKK® 18cm #3 Skirt & Dress Made in USA Colour 580 Black (12 Zippers / Pack)... Strong yet lightweight zipper for slacks, skirts and dresses. Perfect for sewing pouches, purses, skirts, and dresses. They are YKK #3 nylon coil closed ended zipper. These are nylon zippers with plastic teeth and a metal slider. Colour may vary on your monitor.