royal-blue Type hand warmer In the winter we can use the hand warmer when we are in the outdoor it is very easy to use

royal-blue Type 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