self heating insole heated foot warmers hot moldable winter heat pad patch

self-heating insole heated foot warmers hot  moldable heating pad 

Instructions:

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.

Attention:

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.