
I've been using them for years with no problems. I always bought them at a sporting goods store. I ordered these on this site. To write this review, I clicked on it in the "Orders" list. They don't get hot. Of the 10-12 used, only one got hot. Some got a little warm. You are not working. I've never had to leave them for 30 minutes to warm up like they say, but they still don't work. You started being less mean? How can they not work? I have 40 of these and none have worked. One good thing about them is that they are ALL individually wrapped. I've always used them for different things, so the individual packaging is a big plus. I was thinking of foot warmers but they also say they are air activated. Now can someone explain to me how these things stuck in the trunk get air? Who the heck wants to take off their shoes every few minutes to shake things up? This is IGNORANCE! Something has clearly changed. The last ones I bought were a huge box a few years ago but they are not of the same quality.

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