27" Vislon Zipper ~ YKK #5 Molded Plastic Sport Zipper ~ Separating - S557 Tall Grass Blue (1 Zipper / Pack) 27" Vislon Zipper ~ YKK #5 Molded Plastic Sport Zipper ~ Separating YKK Color S557 Tall Grass Blue (1 Zipper/pack) Made from the finest quality plastic to ensure extra strength & reliability. Very popular for active wear and outerwear. Great for ski jackets.