Features The shoelaces are made of nylon, which is very easy to tie. 6 pairs laces in pack with 6 different colors Yellow, Pink, Red ,Green, Blue, Orange. LED laces light up your kicks and let you break it out on the dance floor in style. Perfect for 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 Specifications Powered by 2 x CR2032 button cell batteries for each shoelace Shoelace material Nylon Total length of shoelace about 40.5 inches Instruction for use 1.Remove the insulated piece 2.Press the white button for different light settings and also to turn off. 3.The batteries can last for about 30 hours when the light stays on