HOTHANDS Lava - Body Warmers - Up to 12 Hours of Consistent Heat - Bulk Value Pack of Air Activated Warmers - 5 Individual Warmers - Value Pack - Big Heat for Extreme Cold

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Works great and does gets hot. This is very good for aches and pains as well as fights the cold.

So these are pretty fantastic. They do take a long time to get warm, and must be kept covered by clothes to retain heat since they are thin. The sticker is A+ and held on great. It lasted way longer than the 12 hours, and closer to 24. I get migraines and heat across my shoulders helps. Stuck it to my PJs and this way out performs thermacare wraps. Next time I go camping these are coming too. These would be perfect at the bottom of a sleeping bag to keep your feet warm. Absolutely will repurchase.

Necessity for cold days in woods. Just 2 of thes and a light jacket and you’re good to go. They last long also.

I wish I could leave no stars. These are absolute garbage. I wasted money on 2 packs of these. We live in the Midwest and have to take the bus. We thought they would help keep us warm since the temps have been brutal this month. They barely have any heat at all. We thought wearing 2 (1 on the stomach and 1 on the back) would help but they would have to actually work for that to happen. They were on all day and just the slightest heat came from them. A hot hands gets hotter than these did. Don't waste the money on these.