A 3-inch metal zipper can be used in various applications across different projects. Here are some common uses: Clothing: Skirts and Dresses: A 3-inch metal zipper is suitable for the closure of small to medium-sized skirts or dresses. Pants and Shorts: Use it as a fly zipper for pants or shorts where a shorter length is appropriate. Accessories: Bags and Purses: Incorporate a 3-inch metal zipper into the design of small to medium-sized bags and purses for secure and stylish closures. Wallets: Use it in wallet designs for easy access to compartments.