I bought a couple packs of these hand warmers and gave them to my mail carrier at Christmas a few years ago. He loved them so much that he looks forward to getting them from me every year now. I figure if the mailman raves about them, they must be working very well. And what better way to thank a mail carrier than to keep his hands warm in the winter, right?
These are excellent. I bought them for my 95 yr old father who has difficulty getting his hands and feet warm all year round. He tried one I had on hand and stated it was the first time his feet had been warm in years! They are good for more than snow!!