ZipperStop Wholesale Authorized Distributor YKK&reg; 18" Unique Invisible Zipper (Special) YKK #3 Conceal Heavy Duty Closed Bottom ~ Color Black and White (2 Zippers a Pack) ZipperStop Wholesale Authorized Distributor YKK 18" Unique Invisible Zipper YKK #3 Conceal ~ Heavy Duty Closed Bottom Color Black and White (2 Zippers a Pack) EXTRA STRONG The Nylon Coil Teeth are hidden on the reverse side of the tape. Teardrop Slider Color may vary on your monitor.