UPGRADED ZIPPER REPLACEMENT: Easily attaches to most zippers. Can be used as a replacement for a zipper or to attach to a zipper to add length. Package Content: 3 black zippers and 3 silver zippers replacement in our package, each measuring about 3.7 x 1.1 cm, they are suitable for most bags and clothes. Durable Material: Our zipper slider is made of high quality zinc alloy, the surface is smooth and polished, sturdy and durable to use for a long time, not easy to break, fade or deform, can provide you with a longer service life. Suitable Size: We upgrade our products with a thinner head hook that fits most zipper sizes, such as size 5, 8, and 10. Most clothes and bags are size 5, you can use them easily. Small items, please keep them away from small children. Easy to Use: No tools or sewing required, just push one side and slide it through the opening and let it snap into place. It is also easy to remove. Easy to fix your clothes, bring you much convenience even when you travel. WIDELY USED: For bags, backpacks, wallets, shoes, clothes, luggage, suitcases, etc. to distinguish some items. Create your own zippers, make them different and unique.