... good quality,most competitive price and goo colorful led flashing shoelace1.materilals:fiber string and led2.weatherproof,washable,durable ... and safe for children and teenager.3.flashing:fast flashing,slow flashing,light up4.Color available: Red, Yellow, green, blue ... green, green-yellow,pink-purple(Mixed color)1: These flashing shoelace are good for night jogging,dancing at clubs ...