self-heating insole heated foot warmers hot moldable heating pad
1. Open the independent package, take out the product, and put it into the shoes for use.
2. It starts to heat up after several seconds. The average temperature can be heat about 45
degrees, and the maximum temperature is about 50 degrees. It can keep warm for 12 hours.
1.Do not open the independent package before use. It is only used to warm the feet and avoid
direct contact with the skin.
2.It can not reusable.
Iron powder, activated carbon, vermiculite, salt water, Polymer absorbent resin
the MOQ is 5000sets each size of self heating insole