With no tie design, never worry about tying your shoes again during any activity. Easy to use. Putting on shoes could not be easier. Slip on/Slip off, these elastic shoe laces are quick and easy. INSTALLATION: STEP 1: Wear a shoelaces, put the laces end through the cord lock. STEP 2 : Cut off the excess length of the shoelace STEP 3 : Put the end of the shoelace into the clip buckle and fixed. Done! Package Included: * 4(or 5) pairs of shoelace* 10pcs cord lock* 8(or 10)pcs clip buckle Quality assured Made from top quality, responsibly sourced materials, rigorously tested as part of a stringent quality assurance process,our laces are built to go the distance. Customer Service: If for any reason you're not happy with our product, please contact us freely, we will offer a timely solution for you!