I purchased a box of these hand warmers for my son who is employed as a marine biologist and works mainly on the water in small boats. These, in his words, " were a Godsend during the winter months. He was excited to have received them and has asked for more for next winter. They are individually sealed so they remain effective for long periods of time.
I've owned several table top heaters over the years and nothing comes close to this.Efficient and effective, this unit gives most btu's and is easy to regulate.Awesome product!
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