Description: 100cm length with elastic Polyester laces, adjust the length to fit your shoes well. No more double knots and no more having to tie up your shoelaces. With the no tie elastic lace, one-handed operation is also very useful. Zinc alloy shoelace buckle is stable and durable, easy to install. Sneakers, trainers, boots, sandals, athletic, running or casual shoes – you can turn them all into trendy slip-ons! How to use: First put on the elastic shoelaces, reduce the excess shoelaces, clamp the buttons on the shoelaces, and press the buttons once. Specification: Material: Polyester, Zinc Alloy Size(LxW): Approx. Shoelace: 100cm×7mm/39.4×0.28inch Shoe buckle: 8mm×6mm/0.31×0.24inch Package Includes: 10 Pieces Shoelaces 20 Pieces Buckles Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.