Zipperstop Wholesale YKK&reg; Zipper 2 1/2" Doll Zipper YKK #3 Nylon Coil Zippers ~ Closed Bottom ~ 501 White (3 Zippers / Pack) 2 1/2" Doll Zipper YKK #3 Nylon Coil Zippers ~ Closed Bottom ~ 501 White (3 Zippers / Pack) Strong yet lightweight zipper. These nylon closed zippers is 3 1/2 inches long.