These shoelaces are easy to use and made from durable materials so they will last a long time • LED laces light up your kicks and let you break it out on the dance floor in style • Perfect for Christmas parties, night activities, safety and all kinds of night life fun • Great for any type of lace-up shoes such as skate shoes, roller skates, roller blades, ice skates and more • Washable shoelace, long service time • The single lighting time can be up to 5 - 8 hours at night • Theory of lighting: After absorb sunlight during the day, or close to the light and then shoelace can flashing in the evening • 5 colors optional
