BIAL OTD 2X Anti Slip Black Ice Cleats Shoe Boot Grips Traction Crampon Chain Traction System Spike Sharp Snow Walking Walker Easily fit the shoes of US size 5-9 ( Europe Size: 38-42 shoes ); Durable elastic rubber keeps them snug and fitting,With 10 high-strength manganese steel teeth Great for fishing, camping, parking lot attendants, snow operators, and much much more Thermoplastic elastomer with excellent elastic & high density manganese steel to ensure the maximum durability. Reduce the risk of injury from slips and falls when walk on ice, snow, mud and wet grass or other poor conditions.