High Quality Stainless Iron: The cord fastener is made of great stainless steel, with a brightness surface and a slightly cold touch, it has excellent compatibility, not easy to fade. 4mm Wide: The size of the cord aiglet is about about 20mm long, 4mm wide, 4mm thick. Please measure your cord and compare the size with our cord aiglet before purchasing to avoid improper size. Folding Crimp Ends: You will receive 300pcs elastic cord fastener in the package. Cord buckle can store wire well, the sides can be folded over or crimped around the back of your stringing material. Easy to Use: You can just insert your cord into the crimping end, then use pliers to flatten the crease at one time, tie it tightly on the cord. Then you can add it to any craft you want to make. Wide Application: They both fit for hobby-craft or retailers. You can install it on hoodie, shoes, mask, hat, even jewelry. Open up your mind, you can make any unique handicrafts.