Dopar Lucky Navy Blue Elastic Flat Shoelaces Smart Locking Laces 100 Cm

Made of high quality elastic fabric, give you enough support and comfort in all area (running, hiking etc).

no need to tie and untie your shoelaces, time-saving and easy to use. There are many color options. tie the elastic laces in the shape of a normal shoelace.

then pass the 2 ends through the circle-shaped smart device. Finally, pass it through the circular smart small plastic device, make a knot and cut off the excess part, and insert the knotted part into this small device and start using it.