Zipperstop Wholesale YKK&reg; YKK Conceal ~ Invisible Zipper 22" ~ 503 YELLOW (Pack of 3 zippers) Zipperstop Wholesale YKK YKK Conceal ~ Invisible Zipper 22" 503 YELLOW The Nylon Coil Teeth are hidden on the reverse side of the tape Teardrop Slider YKK ZIPPER