Three-Pack YKK 27.5" x 1.125" #5VS Vislon Zippers With Double Sliders - Gray - UV Treated - Use for sail covers, canvas enclosures, jib luff sleeves, jackets, and much more! Three-Pack YKK 27.5" x 1.125" #5VS Vislon Zippers With Double Sliders - Gray UV Treated - Great for a Marine Environment Delrin Zipper Chain - Ideal for jumpsuits and coveralls! Delrin plastic teeth molded to the fabric tape edges Made in the USA