Foot warmer for sleeping, effective for promoting blood circulation, 8 sheets per pack, lasts for 6 hours. Kiribai Sleeping Foot Hotton, 8 sheets (4 uses) - Brand: Kiribai - Product Name: Foot Warmer - Contents: 8 sheets - How to use: Apply to the feet - Effect: Promotes blood circulation - Duration: 6 hours - Target: For sleeping ● This is a thermal sheet to be applied to the feet while sleeping. ● For those who suffer from cold feet so much that they can't fall asleep. It gently promotes blood circulation in the feet with a warmth of approximately 45°C (surface temperature of the thermal sheet). ● The warming effect lasts for 6 hours (the time the product maintains a temperature of 40 degrees or higher). ● General medical device ● Product contents: Thermal sheet ● Contents: 8 sheets (4 uses) ● Expiration date: 2026/04/30 ● Country of origin: Japan Thank you for viewing.