The Dritz® Fix-a-Zipper™ is a replacement zipper slider that you can use to quickly replace a broken size 5 nylon coil zipper slider without replacing the entire zipper. Ideal for jackets, coats, sleeping bags, tents, purses, duffel bags, and luggage. Easy way to make DIY zipper repairs at home. Fits size 5 nylon coil zipper.