1、Designed for people dislike tie shoelace, easy to use and save your time. 2、With light reflective design, which can reflect light to make yourself visible in night to keep your safety in night cycling and running. 3、Lock mechanism, the built-in spring can lock the lace firmly to avoid it from being loosen. 4、Not easy to break and anti-pilling, better performance than nylon or cotton shoelaces. 5、Perfect for athletes and sports lovers, also good for kids who are not able to tie shoelace. Features: 1.Designed for people dislike tie shoelace, easy to use and save your time. 2.With light reflective design, which can reflect light to make yourself visible in night to keep your safety in night cycling and running. 3.Lock mechanism, the built-in spring can lock the lace firmly to avoid it from being loosen. 4.Not easy to break and anti-pilling, better performance than nylon or cotton shoelaces. 5.Perfect for athletes and sports lovers, also good for kids who are not able to tie shoelace. Specifications: Material: Polyester + Reflective silk + Rubber Color Options:Blue, Black, White, Rose red, Orange, Fluorescent yellow Length: 120cm/47.2in Package List: 1*Pair of shoelace