ZipperStop Wholesale Authorized Distributor YKK&reg; 7" Zipper Assortment YKK #3 Skirt & Dress Color Black & White (50 Zippers / Pack) SALE 7" Zipper Assortment YKK #3 Skirt & Dress Color 25 Black & 25 White (50 Zippers / Pack)ZipperStop Wholesale Authorized Distributor YKK Strong yet lightweight zipper for slacks, skirts and dresses. These are nylon zippers with plastic teeth and a metal slider. Overall length is 8 1/2" Inches (21 cm), actual zipper part measures 7"