Thank you for viewing! IRIS OHYAMA Disposable foot warmer for socks Pokapoka Kazoku (Warm Family) for socks - adhesive type [Contents] * 20 pairs (20 pairs x 2 sheets = 40 sheets) * Disposable foot warmer for socks * Maximum temperature: 41°C * Average temperature: 34°C * Duration: Approximately 5 hours * Size: 9cm x 7cm * Expiration date: 2029.6 (Purchased in December 2025) * Made in Japan * Will be shipped in a box. * Please use when you want to warm your feet, such as for cold feet and lower back, those who suffer from cold sensitivity, commuting to work or school, outdoor work, leisure activities, and watching sports. I have been using these for many years because my feet get cold during work. I bought a lot this year because I thought I would use them, but I had too many, so I'm sharing them with you ♡♡ Warming your feet promotes blood circulation and makes your whole body feel warm. Warming your body is very good, so please use them without enduring the cold ♡♡♡ (Personal opinion) This 20-pair pack is priced at 999 yen until December 16th. Shipping included, anonymous shipping (Mercari shipping).