Zubits Zubits Magnetic Lacing Solution Accessory 100% Other Fibers Imported Magnet closure Hand Wash 2.4" wide Never Tie Laces Again! Zubits magnetic lacing solution is quite simply the fastest and easiest way to get in and out of your own shoes! No tying, no knots, no squeezing, no laces coming undone, no sloppy bows. (patents pending) Only Zubits brand magnets have magnetic array technology making them far superior to other knockoff brands which are weaker and larger than Zubits When the Zubits magnets are separated it's as if you have no shoelaces at all, so you can easily slide into a wide open shoe. Then, just click the magnets together and that's it Size 1 is recommended for ages 5-8 and for elders or light walking. Size 2 is recommended for ages 9 to adult for most activity including men who run. Size 3 is recommended for recreational sports, performance, large adults over 190lbs, tight lacing. Unlike other no tie solutions, Zubits closures can be used over and over which makes them the best solution and the best value. They lace onto your shoes using your own shoelaces.