Jaysuing Foot Warmer Self-Heating Small Portable Foot Warm Foot Mat Quick Heating Heating Feet Warmer

Our Foot Warming Pads contain iron powder and activated carbon. They generate heat to provide sufficient warmth for the soles of your feet or body; they are very helpful for women with menstrual cramps, back pain, and cold hands and feet. Using them is simple: peel off the non-woven fabric sticker; stick the patch on the outside, put on socks, and enjoy warmth for 6-8 hours. They are convenient to use and can be used for outdoor activities, providing warmth in cold seasons