1. Material: zinc alloy, silicone, polypropylene 2. Size: 13x6.3 cm, one size 3. Weight: 115g/pair 4. How to use: tie it on the shoe upper 5. Applicable environment: snow, ice, muddy environment, etc., suitable for mountaineering in scenic spots 6. Features: beautiful and practical, simple and versatile, suitable for various styles of snow boots, sports shoes, etc., good toughness, not easy to break, simple to use, suitable for various outdoor wet and slippery environments, size can be adjusted freely, wear-resistant and durable, and strong grip ,Safe and reliable 7. Note: this is an outdoor mountaineering tool, please do not use it as a rock climbing tool
