Anti-slip ice spikes that can withstand temperatures down to -40℃. Easy to attach, supporting safe walking. - Size: M (22-25cm) - Cold resistance: Up to -40℃ - How to use: Easy to attach - Suitable size: M (22-25cm) Stored at home. If you are nervous or concerned about minor details, or if you are likely to cause trouble, I apologize, but please refrain from purchasing. Even during price negotiations, priority will be given to those who purchase at the listed price. Thank you for your consideration.