Double Opening DesignThis zipper pull replacement is designed with double opening and built-in spring, which can be opened and closed repeatedly, you can open to clasp at either heads. The replacement zipper pull can easily replace broken or missing zipper pulls, besides, lock the zipper to add extra security. Quality MaterialThe replacement zipper pulls is made of high-quality zinc alloy, strong and sturdy, smooth surface and light-weight, not easy to break or deform, these double opening zipper pulls can be applied for a long time. Wide ApplicationThe anti theft zipper clips is not only suitable for replace broken zipper pull, such as suitcases, luggage, backpacks, jackets, coats, handbags, but also zipper lock can lock the zippers to add extra security for your backpack, suitcase or luggage zippers. Easy to InstallThe zip puller replacement is easy to use, no tools required, just pass the detachable zipper pull through the hole in the existing zipper, and then spring back and close. Only a few seconds, you can repair the broken zippers. Package IncludedYou will receive 8pcs anti theft clips for bag in 4 colors, including black, silver, gold, light black, abundant quantity can meet your replacement needs. The size of zipper locks for backpacks is 36mm x 10mm, please make sure the size is suitable for you.