Advantages: 1.The package includes 6 zip fasteners with 3 sizes. 2.The slider made of high-quality plastic and durable metal is firmly fixed with screws and will not be easily broken. 3.Easy to install, just buckle it, your zipper can be fixed in a few seconds No need to sew or visit tailors, it is removable and reusable. 4.Make your life easier and more economical, saving you money and time. 5.Suitable for housewife, DIY lovers.Specifications:Material: plastic + metalColor: pure blackSize:S: 1* 2.8*085 cmM: 1.1* 3.4*1 cmL: 1.3* 3.6* 1.1 cmInstallation steps: 1.Choose the right size of the zipper for the job at hand. 2.Gently unscrew it, then place it in the center on the zipper to be replaced. 3.Slide the zipper to the sides of the zipper teeth and fix it in place, then tighten the screws to use.Package Includes:6Pcs Instant Zippers (3Sizes,Each 2Pcs,Total 6Pcs).Notes: 1.Due to manual measurements, please allow slight measurement deviations. 2.Due to the different display and lighting effects, the actual color of the item may be slightly different from the color displayed on the picture. Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.