1.Glowing led shoelace with battery 2.Nylon or High light-guide ... ,FCC YZG-BI Series Super Bright Nylon Flashing LED shoelaces, it's visible at 400 meter distance, ... available♥ The LED shoelaces is with draw-out battery box, which is easy to replace the battery♥ One pair LED shoelace can ... with any one. ♥ It is good gift for children or any one who like sports. Glowing led shoelace with battery