Zipperstop Wholesale YKK&reg; 2" Doll Zipper YKK #3 Nylon Coil Zippers ~ Closed Bottom ~ 580 Black (12 Zippers / Pack) Zipperstop Wholesale YKK 2" Doll Zipper YKK #3 Nylon Coil Zippers ~ Closed Bottom ~ 580 Black (12 Zippers / Pack) Strong yet lightweight zipper. These nylon closed zippers is 3 1/2 inches long.