The package includes 6 zip fasteners in 3 sizes. The slider is made of high-quality plastic and durable metal, securely fixed with screws for long-lasting use. Easy to installsimply attach without sewing or professional help. The fastener can be removed and reused as needed. Helps save time and provides a cost-effective solution for everyday repairs. Ideal for home use and DIY enthusiasts. Installation steps: 1. Select the appropriate zipper size for your needs. 2. Gently unscrew the fastener, position it at the center of the damaged zipper, and align with the teeth. 3. Slide the fastener onto both sides of the zipper teeth, then tighten the screws to secure. Specifications: Material: Plastic + Metal Color: Pure Black Size: S - 1 x 2.8 x 0.85 cm, M - 1.1 x 3.4 x 1 cm, L - 1.3 x 3.6 x 1.1 cm Notes: Due to lighting and screen settings, the actual color may vary slightly from images. Slight dimensional variations may occur due to manual measurement. Packing List: 2 x Small Zipper 2 x Medium Zipper 2 x Large Zipper