... Meterial:glass fibre and led 4.Blister card packing LED ShoelacesFlashing led shoelace,LED Shoelace,light up led shoelace,shoelaceDescription: 1, ... LED, high transparent optical fiber2,led shoelace size:800x2.8mm3,led colors:red, orange, yellow, green, blue and mix color.4 ... keeps on flashing for about 70 hours.6,Flash modes: long light - flash - slow flashPacking information:blister packing, 1pair ...