Magnet : 6 pairsDiameter: 4cm * 2.5cm6 pairs of magnets providing strong gravitation, it would not loose in sportsConvenient and durable, you do not need to lace up after the first tieMultifunctional, it can be used not only to tie shoes also to hang the shoesColor:BlackMaterial: plasticUnisex and all-match, suitable for most of sports shoes and casual shoesPackage Contents:1 Pair Magnetic shoelacesOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.