5 pair Luminous Flat shoelaces , the lace length 47.24,Washable ,which fit for adult running ,sneaker shoes .GLOW AND SAFE MATERIAL : Eco- Friendly Fluorescent Material cotton shoelaces made of high quality . It still glow after washing . Shoelace system adopted strong spring that stop lace loose and keep you safer in activities.Keep shoelaces to charge artificial light or nature light 10-30 minutes . shoes Lace will be glowing in the dark . Otherwise , it wont glow like LED shoelaces .Simple and fashion luminous flat shoelaces, very cool.GLOW IN THE DARK This one of kind feature allows your laces to be seen even when its dark out. Youll be the life of the party!MULTI-COLOR 5 PACK Each pack contains 5 cool colors. 1 pair of each Pink, Blue, Yellow White and Green glowing laces.