8" Zipper YKK Color 501 White #3 Skirt & Dress (12 Zippers / Pack) Measurements- Overall length is 9.5" (24 cm), actual zipper part measures 8" (20 cm) Strong yet lightweight zipper for slacks, skirts and dresses. Perfect for sewing pouches, purses, skirts, and craft projects. They are YKK #3 nylon coil closed ended zipper. These are nylon zippers with plastic teeth and a metal slider. Color may vary on your monitor.