EZ Shoelace (Black) EZ to set up; no tie; just put the string through the lock. Diameter: a little less than 3 mm so the string can go though holes EZly. EZ fit with elastic, flexible bungee shoelace. Length: 1 meter; adjust with the lock as it EZ fits your size; further put it through the round-cone; then make a knot to stop inside the cone. Cut (or leave) extra string edge as you like. Click on either White or Black EZ Shoelace and bring your favorite to your cart! (Shoes are for display only and not for sale.)