This shoes cover made of Silicone Rubber which durable and strong. Even if you are sliding during exercise: Because the anti-slip traction device has fewer spike designs, the wearer can easily move on the ice and snow, so they will not miss the fresh air and winter sports. Cooperate with all kinds of sports shoes, hiking shoes, and mountain boots, etc. Feature - Color: As shown. - Material: Silicone Rubber. - Size: S: suitable for 31-36 yards shoes. : suitable for 36-41 yards shoes. L: suitable for 39-46 yards shoes. XL: suitable for 45-48 yards shoes. - The crampons are an important part of your winter outdoor sports, The crampons are your winter protection and are your choice. - It is suitable for outdoor mountaineering and crossing, and it is used indoors in ice and snow weather, It is especially suitable for outdoor use in ice and snow, and it is suitable for outdoor activities such as snow and ice, rainy days, mud roads, sliding land, deserts and other outdoor activities. - Easy to store and clean, ice nails can be washed directly with water, It is necessary to pay attention to the need to dry the nails, After cleaning, they should be dried and stored. - Easy to use, easy to carry, lightweight, ladies and men with different shoe sizes, suitable for boots, sports shoes, casual shoes and dress shoes. Package list: 1 x pair of Shoes Cover