Coil zippers have a ton of versatility. They can be used in anything from apparel, luggage, sporting goods, and even in automobiles! YKK's coil zipper is made of spiral plastic elements, including polyester and nylon. The coil style zipper is among the most popular zipper types. Expand your project's possibilities with coil zippers. This pack includes 25 coil zippers. The color of each zipper is randomly assorted. These high quality coil zippers have various usages such as: (Clothing) (Backpacks) (Interior furniture) (Luggage) (Outdoor gear)...and numerous other applications or uses.