About this item size:37*10.5mm color2 black+ 2 gold [High Quality Materials] - The zipper pull is made of zinc alloy and spring steel, with a smooth surface, pleasant feel, waterproof, no sharp edges and corners, not easy to fade or break, and can be used for a long time. [Unique Design] - The zipper pulls replacement can be opened and closed. It can help you solve many repair problems. With this unique feature, our zipper puller is a perfect replacement for damaged or broken zippers, so you don't have to pay for zipper repair. To ensure daily use and replacement, basically suitable for all kinds of things with zippers. [Easy To Install] - The zipper pullers can be attached to any zipper you want, just slide aside, lift the button with needle-nose pliers, slide through the opening and tighten, it can be applied to the normal zipper, extend the zipper slider and replace the one old zipper puller, it is also easy to remove. [Application] - The zipper repair kit are very suitable for clothing, do not require any tools, can change the zipper quickly, suitable for backpacks, suitcases, coats, purses, jackets, but also very suitable for clothing, jackets, suitcases, boots and some DIY projects.