Feature: Quantity: The package includes 10 sets of shoelaces, meeting your different needs for various shoes. Purpose: No more double knots and no more tying your shoes. Turns lace-up shoes into slip-ons so you don't have to worry about loose shoelaces. Easy to use: Our elastic shoelaces Just put on a lace and tighten the screw lock. Tie the knot and tighten the screw lock, it's very convenient. Fasten once and never tie your shoes again. Turns lace-up shoes into slip-ons so you don't have to worry about loose shoelaces. Remember to get the right length, once you cut it, the length is fixed. Application: Perfectly designed for everyone, runners who want to increase speed and athletes who want to improve their game, even those suffering from arthritis or other disabilities. Perfect gift from parents, to cultivate children's independence. These shoelaces can work on boots, work shoes, tennis shoes, sneakers, casual shoes or any other shoes. Specification: Material: Brass Color: Gold, Silver, Black, Sizes: Shoelace buckle: 18x8mm, Hole: 3.5mm, More detailed, please see picture Quantity: 10 pcs Note: 1.1 inch=2.45cm/1cm=0.393 inch 2. Please allow some errors due to manual measurement, please make sure you don't mind before bidding. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the product. Package includes 10 pcs Shoelace Buckles