1. The package includes 6 zip fasteners with 3 sizes, which are respectively suitable for 2 zippers in 3#5# and 7#. 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. Installation 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. Specification: Material: plastic + metal Color: pure black Size: S 1*2.8*085 cm M 1.1*3.4*1 cm L 1.3*3.6*1.1 cm Notes: 1.Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 2.Please allow slight dimension difference due to different manual measurement. Packing List: 2 * SmallZipper 2 * Middle Zipper 2 * Large Zipper