These hand warmers offer you regular gentle warmth for 5 to 6 hours, for greater comfort during your winter activities. These pocket hand warmers activate upon contact with the air. Ideally, use them before your hands get cold, or to warm up if needed. Blow on them to speed up the initial reaction.
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Formula: 15.0% Activated carbon, 3.0% Salts, 9.0% Vermiculite, 18.0% Water, 55.0% Iron
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Store in a cool, dry place away from direct sunlight.
Warmth
To warm up, the warmers need oxygen and humidity.
Fast acting
Open the bag, shake it, and wait 10 min Ideally, activate it at room temperature
Ease of use
Blow on the warmer for faster activation, especially at 0°C or over 2,000 m
Long-lasting effect
Releases a gentle heat for at least 5 to 6 hours. Single-use product.
Heating instructions
1. Remove the warmer from the package and shake it 5–6 times to activate the heating process. 2. Wait for 10 minutes, since the warmer must be fully warm before it is put in a confined space (pocket, glove, etc.). 3. Ideally, activate them in an ambient environment of 20°C (at home, in the car, etc.). 4. At 0°C or above 2,000 m altitude, blow on them several times. The warmth and moisture of your breath will accelerate the reaction.
How it works
The warmer is a mix of activated charcoal powder and iron that produces heat through oxidation. The reaction stops: - When all the activated charcoal is gone. The reaction stops completely after about 5 to 6 hours. - In an airtight space (in a rubber boot or with neoprene cycling overshoes). The reaction starts when the warmer is exposed to air.
Restrictions
Hand warmers should only be used for your hands and should not be used on other parts of the body.
Precautions
Children, the elderly, and persons with disabilities should use this product with caution and supervision. Persons who have diabetes, delicate or sensitive skin, circulation problems, paralysis, damaged nerves, rheumatoid arthritis, are pregnant, or who have any concerns should consult a physician before using the product. Do not apply to frostbitten or desensitized skin. Do not use while sleeping. Do not use in combination with topical analgesics or heating devices.
Good to know
The exothermic reaction begins on the production line: - The mixture is activated, then checked - Once inspected and validated, the pair of hand warmers is inserted in the plastic packet, which stops the reaction and therefore the heat generation. The reaction will start again when the pack is opened and the warmer is exposed to oxygen and humidity.
What should I do if my warmer stops heating after an hour or so? What if it doesn’t get warm enough?
This means that the reaction is suppressed by lack of air. Just remove the warmer and knead it or blow on it to begin the heating process again. You can then put it back in your glove or pocket.
Troubleshooting
The warmer may not be working properly because of: - a lack of air: (if it is enclosed in neoprene, for example). - extreme conditions: in extreme cold, the warmer provides warmth in addition to the ambient temperature. However, it may not sufficiently warm up in extremely low temperatures. - an altitude exceeding 3,000 m, where a lack of oxygen limits the reaction.
Single-use product.
The exothermic reaction consumes the activated charcoal and oxidizes the iron. Once the fuel is spent, the reaction ends and the powder becomes hard.
4.5/5
(859 )
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5 [translation_review-star]s
584
4 [translation_review-star]s
197
3 [translation_review-star]s
53
2 [translation_review-star]s
15
1 [translation_review-star]
10
92% [translation_statistics-rating-breakdown-customers-recommend]
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Mon, Nov 21, 2022
Excellent
Jacqueline
-
: 2 week or less
: en_CA
Excellent
| Ease of use | 5 | |
| Fast acting | 5 | |
| Warmth | 5 |
Brand''s answer:
Dear Jacqueline, Thank you fro your feedback, hope you see you again. Wish you a great day Sportingly Kaushal
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Fri, May 02, 2025
George
-
: 3 to 8 weeks
: en_GB
Work well, little bit prickly on the ends.
| Warmth | 5 | |
| Ease of use | 4 | |
| Value for money | 4 | |
| Look / Design | 4 |
Tue, Apr 15, 2025
Jax
-
: 3 to 8 weeks
: en_GB
Not all of them worked well, but when they did it kept my hands warm while outdoors
| Warmth | 3 | |
| Ease of use | 3 | |
| Value for money | 4 | |
| Look / Design | 4 |
Mon, Apr 22, 2024
Jan David
: 2 week or less
: en_GB
kept our hands warm during our mt. yushan adventure
| Warmth | 5 | |
| Ease of use | 5 | |
| Value for money | 5 |
Wed, Apr 10, 2024
Could be warmer
David
-
: 3 to 8 weeks
: en_GB
Ideal for chirpy winter days , could do with being warmer as on particularly cold days one uses the feet warmers, they get gie hotter but the real heat only lasts a short time
| Warmth | 4 | |
| Ease of use | 5 | |
| Value for money | 4 |
Tue, Mar 19, 2024
You Siang
-
: 3 to 8 weeks
: en_GB
Works well in Hokkaido -5C snowing weather. Just need to activate it before going outdoor.
| Value for money | 5 | |
| Warmth | 5 | |
| Ease of use | 5 |
Thu, Mar 14, 2024
Cost and quality
Ann
-
: 2 week or less
: en_GB
Fantastic for the cost ideal for our holiday to the artic circle
| Warmth | 5 | |
| Ease of use | 5 |
Tue, Mar 05, 2024
Long life
Christine
-
: 3 to 8 weeks
: en_GB
Great warmers for low temps. Last the full 6 hours
| Warmth | 5 | |
| Ease of use | 5 |
Thu, Dec 15, 2022
Hand warmers
Paul
-
: 2 week or less
: en_GB
Only issue I had was getting them warm to start with. When you out working in the cold, hard to find somewhere 20 degrees to heat the pad up for 10 minutes
| Warmth | 3 | |
| Ease of use | 3 |
Thu, May 22, 2025
Mathilde
-
: 4 to 6 months
: fr_FR
Très bien et tiens chaud longtemps
| Warmth | 5 | |
| Ease of use | 5 | |
| Value for money | 5 | |
| Look / Design | 5 |