Package Content - Package includes 12pcs metal zip extenders,Size is 1.45x0.43inches( 3.7 x 1.1cm), which fits most zippers, does not fit well in some zippers with a very small hole(less than 3mm). Please check the compatibility before purchasing Zip Replacement or Extender - Practical zipper pullers are perfect for replacing a missing or broken zipper pull, or lengthening a zipper pull. Handy for quick repairs and saves the cost of replacing Durable & Long-lasting - Our Replacement Zipper Pulls are made of sturdy quality zinc alloy material, well made and solid construction. And not easy to fade, break or deform. Zipper repair kit are wear-resistant and corrosion-resistant for long-lasting use Easy to Install - The zipper puller could replace without any tools, you can put it through the hole on the existing zipper and snaps back into a closed position, easy and quick repair solution. And the pulls are easily removal if needed Multi-purpose Zipper Repair Pulls - The pull clasp is about 2mm thick, They work great on medium-to-large zippers like suitcase, luggage, backpack, jackets, coats, purse, sleeping bags, tent etc