Product: ICE-SPIKE Ice Spikes * Used only once (approximately 3 hours of use) Contents only, no outer bag. These ice spikes provide anti-slip effect on snow and ice. Size: M Withstands temperatures down to -40°C. Useful for the coming season. - Brand: is-fit - Model Name: ICE-SPIKE - Size: M (22-25cm) - Number of Pins: 7 pins - Cold Resistance: Up to -40°C Shipping via Yu-Packet Post. Purchased at Satsudora on 12/17 for the regular price of 1628 yen.