Question 1

Do they warm the fingertips well or just the palm?

Accepted Answer

Trick question? I imagine you mean if you put them in a glove with your hand in it, will it warm the fingertips.? Yes, it takes a bit like 30 minutes before they are really starting to hit the heat. Put in palm, your whole hand, wrist will be quite toasty if you are outside and it is 20ºf. Be well and Long Live Our Republic !

Question 2

Is there a trick to these?  We can't get them to be more than slightly warm...

Accepted Answer

The trick is to get them warm before you head out into the cold. Or, if you have to start them outside, at least try to keep them out of the cold wind while you are shaking them to activate them. You could activate the warmer under your coat if you have to crack them open outside. But the best trick is to plan ahead and start these things inside where it’s warm.

Question 3

what is the average temperature?

Accepted Answer

Warm but not hot. It is described as “natural heat.” I found them to warm but not burn hands. I didn’t find a temperature specified but they are warm and comfortable.

Question 4

can they be turned off and reused?

Accepted Answer

These work because a chemical reaction occurs in the presence of oxygen That the various chemicals react to create heat. So no, you can’t exactly turn them off. But...but...but...you actually can, in a way. If you’ve been using these to keep hands warm for much less than the 8 hours or so that they are rated for, you can take them out of your gloves and put them right into an airtight environment (think ziplock sandwich baggy) they will cool down and heat up the next time that you expose them to air. I’ve used the same pair for up to four times if I’m skiing for brief periods of time.

ASIN	B07GNW4WKN
Battery Description	disposable
Best Sellers Rank	#71,202 in Sporting Goods ( See Top 100 in Sporting Goods ) #70 in Disposable Hand Warmers
Brand Name	lentra
Color	White Hand Warmers
Customer Reviews	4.4 4.4 out of 5 stars (12,043)
Item Type Name	handwarmers
Manufacturer	lentra
Manufacturer Part Number	Handwarmers-40
Material Type	Polyester Nylon
Model Number	Handwarmers-40
Number of Items	40
Number of Packs	1
Power Source	Hand
Recommended Uses For Product	hiking, camping, winter summer
Reusability	Single Use
Size	40
Target Use Body Part	Hand
UPC	632030540777
Unit Count	40 Count
Upper Temperature Rating	104 Degrees Fahrenheit

Hot Hand Warmers 11 Hours Long Lasting - 40 Count - Natural Odorless Safe Single Use Air Activated Heat Packs for Hands, Toes and Body - Up to 11 Hours of Heat - TSA Approved

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