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Rated 4 out of 5 by from Wonderful reprieve for frozen fingers! I suffer from Reynaud's syndrome, so my fingers are almost always cold. Still, I love to spend time outdoors in the winter. My husband bought two of these as a stocking stuffer for me this year and they are FABULOUS! Although they are too large to use in my gloves when I am nordic skiing, I keep them in my jacket pockets to warm up my fingers quickly during ski breaks. These would also be useful while attending outdoor sporting events as a spectator. The warmer comes with a small plastic reservoir with a spout that is used to fill the warmer with the lighter fluid. You have the option to fill for a 6 hour use or 12 hour use. The only drawback I found was there is a slight lighter fluid smell associated with use. Not overpowering, but it was noticeable enough to make me wonder if the warmer was leaking (it wasn't). I have also tossed these in my boots to prewarm them.
Date published: 2016-01-02
Rated 5 out of 5 by from Long-lasting I love this hand warmer! It's easy to fill and keeps its heat almost all day. I fill it in the morning when I get to work and it stays warm all day. It's great to warm up my hands after shoveling snow. I plan on also using it to help heat my sleeping bag during some winter camping. I love this product so much this is what everyone in my family is getting for Christmas.
Date published: 2015-12-21
Rated 5 out of 5 by from Great product As a paramedic, I use it all the time. It stays warm beyond the 12hrs. I think the one review likely didn't put enough fluid in the warmer for it to cool off after only 3 hours. I've filled it at the start of my 12hr shift and found it to be warm well after I got home, sometimes 14hrs later. Definitely recommend. It does have an odor, so if you're sensitive, you may want the rechargeable option, although I've never used that one. I can not speak for how well it works.
Date published: 2018-01-03
Rated 5 out of 5 by from Warm and reliable This is the 3rd one i got from rei. All work well and do as advertised. As the kids gotten older now they each hve their own.
Date published: 2017-03-13
Rated 3 out of 5 by from Works, but be careful I used to used to use one inside my mitts but eventually developed a rash, possibly in reaction to the fumes. This might not happen to everyone and it did keep my fingers warm. Being catalytic heaters there is potential for carbon monoxide poisoning, so don't use in closed spaces - indoors, cars, closed tent, etc.
Date published: 2017-02-10
Rated 5 out of 5 by from hot Old fashion and still good. The measuring cup that comes with it is the best! enough, not too much. Very important.
Date published: 2017-01-29
Rated 2 out of 5 by from warmth Remains warm for about 3 to 4 hours. Initially it felt real warm in my pocket but not for long.
Date published: 2017-11-29
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Questions & Answers

Will the hand warmer still ignite I just fill the container to half the capacity if I don't need the warmer functioning for a full 6 or 12 hours?

Asked by: Iced
​Yes, the warmer will reignite as long as there is fuel inside.
Answered by: REIservice
Date published: 2017-09-18

Does the warmer need constant air circulation (holding it out in the open) or can it be placed inside a pocket?

Asked by: ColdHandLuke
This hand warmer can be placed in a pocket.
Answered by: REIservice
Date published: 2018-01-14

I'm looking for something to heat a small, lean-to greenhouse (about 4' x 2' x 3'). If I use something with an electric cord, the door's opened a space and there's a draft. Would this work?

Asked by: TheScarfLady
This hand warmer is not intended for heating a small space; we cannot recommend it for your purpose.
Answered by: REIservice
Date published: 2017-12-22

Once this heats can it be stopped at any time to conserve fuel?

Asked by: Middle aged fat dude
No, once the warmer has been lit there is no safe way to turn off this hand warmer. It is recommended to put it on a fireproof surface until it has used all its fuel if you no longer need it.
Answered by: REIservice
Date published: 2017-12-22

Any problems taking this on an airplane? Concerned fuel source may be confiscated

Asked by: Moandjc
​We do not recommend carrying this hand warmer on an airplane.
Answered by: REIservice
Date published: 2018-01-01

Am I able to tip this on its side after it is lit? Like inside a muff around my waist. Or will it spill?

Asked by: rossinol184
This hand warmer can be placed on it's side only after ignition and in the protective pouch that is included.
Answered by: REIservice
Date published: 2018-01-17
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