... .personalized flashing shoelace designs 2.Nylon or High light-guide glass fiber 3.Waterproof or washable 4.CE,ROHS,FCC YZG-BI ... No.: YZG-BI Series ♥ Material available: nylon,High light-guide glass fiber ♥ Webbing color available: Red, Green, Yellow, Blue, Black, Pink,Orange ...