To warm up, the warmers need oxygen and humidity.

Warmth

Open the bag, shake it, and wait 10 min Ideally, activate it at room temperature

Fast acting

Blow on the warmer for faster activation, especially at 0°C or over 2,000 m

Ease of use

Releases a gentle heat for at least 5 to 6 hours. Single-use product.

Long-lasting effect

These hand warmers offer you regular gentle warmth for 5 to 6 hours, for greater comfort during your winter activities.

Condition

Skill Level

reusable

Weather Conditions

Duration of Action

Packaging

Body Area

Place of Practice


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.

Heating instructions

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.

How it works

Hand warmers should only be used for your hands and should not be used on other parts of the body.

Restrictions

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.

Precautions

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.

Good to know

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.

What should I do if my warmer stops heating after an hour or so?
What if it doesn’t get warm enough?

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.

Troubleshooting

The exothermic reaction consumes the activated charcoal and oxidizes the iron. Once the fuel is spent, the reaction ends and the powder becomes hard.

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wedze

Hand Warmer 10 pack

5.0/5

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Jan David