Feature ●Three flashing models light low flash and fast flash●Ultrathin box light weight its comfortable and portable to wear this●Very easy to change batteries and the lighting effect is better than 3 mode longer and brighter ●With a beautiful box its a great gift for your friends Great for dance party disco sport and so onSuitable for roller skates dance shoes basketball shoes football shoes kids shoes sport shoes casual shoes and so on Specification Material TPU UBSSize LxW 80cmx25mm 31 5x0 10InchPower By 4 x 2016 Cell Batteries Included Color Red Yellow Blue Green Orange Pink ColorfulPackage Includes 1 x Pair of 4th Generation LED Shoelaces