Model Number: QWY-95 Brand Name: Rainmetal Key Specifications/Special Features: 1. Material: silicone or TPE material2. Good extensibility, it could be used for a long time,3. Not easy to break, pulling force/strain could be reached more than 25N.4. Cold resistance and freezing resistance, could work in -60°environment5. Nail is 304stainless steel, abrasionresistant, not easy to rust6. Suited for children and adults, size S, M, L, XL,size S is suited to children7.Usage: Coordinate with a variety of sport shoes, hiking shoes, mountaineering boots, by pull the ice gripper, the larger part covered in forefoot, small part in heel.8. Apply to ice surface, grass and wet pavement. When you are going fish, ice gripper also could be worn. After using them, please keep clean when they are dry instead of wet. Prevent insolate. Just only for an accessory of outdoor hiking, not a professional tool for rock climbing.