When you walk, work or run in a pair of Ice Cleats on snow or ice, you will feel the same solid predictable grip you are accustomed to feeling on dry surfaces. There is nothing new to learn, it helps prevent slips and falls, reducing the risk of possible pulled muscles, fractures and back problems 1,material is ilicone+stainless steel 201:, no bad smell 2. Ice shoe spikes provide excellent traction on slick surfaces 3. Cold Resistance: -30°C 4. Provide excellent traction on slick surfaces 5. ice cleat fit boots, sneakers, casual and dress shoes 6.Snow & Ice shoe spike is also great for: ice fishing, walking, sledding, hiking, stream fly fishing and hunting. 7.spike Safety Treads. Sure footing on any surface! No more slip-ups on the frozen lake or icy sidewalk. 8. Ice spikes Lightweight, put on and take off just 5 seconds. Instructions: 1. Carefully fasten the grips to your shoes,starting with the front and then stretch the back over the heel to ensure they are securely attached.Large size are required if wearing over winter footwear. 2. We suggest that the grips are used only on snow or ice to prevent wear to the studs 3. Always wipe the grips clean with a dry cloth after using. Store the grabbers in a cool and dry place,out of direct sunlight. 4.The snow ice grips are designed only for use on packed snow and ice.They should not be worn on hard or muddy surfaces devoid of ice cover.