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