we are factory hand warmer In the winter we can easy to use when we are in the outdoor

hand  warmer

Keep  out the cold: In  the cold season, to go to school, travel, outdoor work, stay up all night, maritime operations, guards, guard, mountain climbing, fishing, skiing, etc., can play a warm function;Medical: treat women, dysmenorrhea, cold hands and feet, cold rooms disease, joint pain and so has the special effects!

hand warmer