Zipperstop Wholesale YKK 50 zippers YKK Color 501 White 4" YKK #3 Skirt & Dress Strong yet lightweight zipper for slacks, skirts and dresses. These are nylon zippers with plastic teeth and a metal slider. Overall length is 5 1/2", actual zipper part measures 4". MADE IN USA Great for Craft Projects, purses and bags