ESUMIC Pair of Ice Cleats Crampon Snow Shoe Boot Spike Cleats Chain Anti-Slip,Color Yellow Easily fit the shoes of US 3.5-10.5 ( Europe Size: 35-43 ) Thermoplastic elastomer with excellent elastic & high density manganese steel to ensure the maximum durability Securely attached to your footwear & these slip-on spikes can dig into all types of terrain  ice, packed snow, wet rocks, concrete, and scree Reduce the risk of injury from slips and falls when walk on ice, snow, mud and wet grass or other poor conditions. Easy on/off to fit boots, sneakers, casual and dress shoes-- Wrap the front around your toe section, then stretch the back around your heel