1Notie shoelaces are made of elastic memory materials adapted to the foot, providing comfort and support 2Fasten once and never need to tie your shoelaces, so you dont have to worry about loosening the shoelaces 3These metal shoe laces with capsule buckle are easy to install, stable without taking off after fasten 4Convenient to use, never have to stop to retie your laces during any sport or activity ever again 5Perfect for athletes, runners, and also a practical great gift for your lover, family and friends