Our Speedhub Speed Laces are easy to use, no tie and adjustable. They are designed to provide support, comfort and peace of mind that your laces aren't going to come loose during exercise. Perfect for triathletes as they are time saving in transition! But also suitable for any adults, children, athletes or anyone struggling with laces as they can be adjusted to fit any pair of shoes. Each pack contains 2 laces, 2 locks and 2 clips.Features:118 cm x 3mm round elastic laces3M reflective material for increased visabilityHigh tension sprung locks for gripPlastic ends for easy installationHow to fit:1) Take your old laces out of your shoes2) Thread your new elastic laces and put your shoes on3) Adjust the laces until comfortable4) Slide on the adjustable lock mechanism by pressing the button on the top5) Move the lock down to the tongue6) Have a walk around to make sure the lock is in the right place7) Using scissors cut the excess off the end of the laces making sure you leave a bit of room for adjustments later (3 inches past the lock is ideal)8) Attach the clip to the end of the laces to prevent fraying, making sure the laces are all the way to the end of the clipTIP: Tuck the clip under the laces to make sure it doesn't bounce around while you are running.