25 packs of black high-quality plastic zipper line locks are suitable for a variety of ropes less than 3.5 mm. Close the external size 20 x 12 mm.Please pay attention to the size of the product picture, so as not to be appropriate.The product does not contain a rope! of the zipper pull ring line is made of high-quality plastic. It is and not easy to deform. The of the rope lock is designed with non-slip , which is convenient to use and is not easy to fall off.The 25 teeth of the umbrella rope grasp the rope installed at of the rope. Shoes lace-up locks and shoelaces are widely used in exquisite items, such as fixed backpack key ring, ,wallets,collar, black umbrella rope rope ring,sports shoes,boots,golf shoes,bracelets, Belt...and many other application products, the zipper-pull end of the product or the same as the DIY replacement zipper fixed device. You can into the length you want, burn of the coke rope before putting the rope in the rope, then put it in the rope lock, and turn off the rope lock.The zipper clip be very firmly fixed.When inserting the rope, you can use a flat-headed screwdriver to expand the umbrella rope, and the pliers are closed and curled. If you need to improve your when using an umbrella rope zipper , you can put a drop of powerful glue at the connection between the rope and the cable.Use your hand when using tools. Note:The tip and zipper of the shoelaces are small parts, which is not suitable for children under 3 years of age. Colour:Black Material:Plastic Package Contents: 1set * shoe lace tie locks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.