Material:PlasticBrand name:Led sport shoe lacesMaterial:LED + High articulation plastic fiberPattern Type:SolidItem Type:ShoelacesColor:Blue， Pink， Green， YellowFeatures:100% brand new and high qualityUseful and fashionable!Suitable for any kinds of Shoes， including running shoes， boots and skate.Awesome and Eyes-catching! Great for the parties， night jogging， safety and all kinds of night timeSpecifications:Material: LED + High articulation plastic fiber.Powered by: CR-2032 Battery (Includes)Colors: Blue， Pink， Green， YellowLemgth: Approx 80 cm/31.5inNet Weight: 33gHow to Use:Install 1x CR2032 button cell battery into each control box.Lace up your shoes with these 2 shoelaces.Insert the top of each lace into the 2 holes of the control box， switch Push the white button in turn to control the lights: on/flash/strobe/offPackage includes:1 * Pair Of Shoelaces2 * CR-2032 Battery