With a length of 120cm Sole: SUITABLE FOR EVERYONE - whether athletes, children, adults, seniors or people with restricted mobility - elastic laces are suitable for everyone and make everyone's life easier! Closure: ULTRAFAST AND EASY - tying shoelaces used to be - fixed and simple installation, simple and quick application. Instructions: 1.Attach the lace onto your shoe. 2.Put the ends of your tip out of the hole under the driver. 3.Put the ends of the tip into the holes on the side and turn the switch to the "lock" position. 4.Press the center button, you will get a pair of amazing flashing shoelaces for your party. Warm prompt again: Recently, some customers spoke that the shoelaces they just received didn't work. The reason is the insulating strip in the battery. Pull out the insulating strip after installing the battery cover, tap the product on the surface of a table with a little force a few times to fully charge the battery with the product. With it he can work normally. Colorful LED shoelace light up shoelaces for dancing party skating jogging. Colorful LED shoelaces Light up shoelaces for party, disco, jogging, inline skating, ice skating, cycling, bowling or at festivals. Upper material: Polyester HIGH QUALITY - The high-quality polyester enables high flexibility and a perfect fit. The adjustable and elastic fit ensures maximum comfort by reducing excessive pressure and allowing the feet to breathe - goodbye to pressure points. USE EVERYWHERE - Shoelaces Ideal for everyday use as well as sports and leisure activities such as fitness, running, triathlon, yoga or hiking.