This is a 15-pair (30-piece) pack of Kiribai Kairo adhesive foot warmers for socks. How about these for cold feet? 【Product Features】 ・Color: Black ・Duration: 8 hours ・Thickness: Approximately 3mm ・Made in Japan ・Sticks firmly and doesn't slip With a maximum temperature of 43°C and an average temperature of 36°C, these warm your feet thoroughly. To prevent low-temperature burns, do not use them when not wearing shoes or on bare feet. People with impaired temperature sensation or blood circulation, such as those with diabetes, should not use this product. Discontinue use immediately if you feel it is too hot. 【Brand】Kiribai Kairo 【Condition】Unused 【Color】Black 【Contents】15 pairs (30 pieces) 【Duration】8 hours 【Expiration Date】April 2026 The product will be shipped without the box via Yu-Packet Post. The box will not be included. Price is not negotiable. Thank you for your understanding. Thank you. #Kiribai #Kiribai #SocksWarmers #Kairo (Warmers)