Powerpower 18 Teeth Anti Slip Traction Cleat Crampons for Snow and Ice Protect Shoes Black (L ) High-strength iron spike-and-chain system provides excellent traction on a variety of icy surfaces Reduce the risk of injury from slips and falls when walk on ice, snow, mud and wet grass or other poor conditions Durable elastic harness ensures a tight hold on your shoe, even at cold temperatures Cooperate with all kinds of sports shoes, hiking shoes, and mountain boots, etc Suitable not only for outdoor ice and snow but also for the city to use during the snowy weather, particularly suitable for the elder and children