I purchased these hand warmers for my two daughters going to college in a cold climate. They said that the were really great to keep in their car to use when they have to park their car and walk across campus. Also...they took them skiing and the warmth lasted longer than they expected.....they could reply on them to last the whole day of skiing. They also said they were great to use on sore muscles. I'm buying another box as they have also shared them with friends....They love them.
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