The elastic free laces are 100cm/39.37inch long, you can cut and adjust the length to suit your shoes. Lazy quick lock universal shoelaces, no more double knots, no need to tie shoelaces, press to close connection buckle, easy to use. Sneakers, boots, sandals, running shoes you can turn them all into stylish slip on shoes! The replacement laces for men and women are suitable for children, adults, seniors, athletes and runners. How to use: Put on the elastic shoelace first, cut off the excess shoelace, and connect the two buttons after pressing. Specification: Material: Cotton Size(L): Approx. 100cm/39.37inch Package Includes: 2 Pieces Shoelaces 2 Pieces Buckles Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!