Insulated electrical conductive CONDUCTIB yarn, very thin and flexible....
Resistive insulated yarn flexible and machine washable
Pair of waterproof luminous shoelace (security or fancy) Each shoelace is delivered with its micro controller and its two button batteries. Lenght : 90cm Color : Blue Usefull Gift : Perfect as a security shoelace in order to being saw for your activity at night outside (running, walking or cyling). It is also a good mean to have fancy shoes.