Lifesystems Reusable Hand Warmers - Pack of 2

Simply flex the metal disc inside the warmer. This will initiate the crystallization process, causing the warmer to heat up.

Each activation provides heat for up to 45 minutes.

Place the warmers in boiling water until the crystals dissolve and the gel becomes liquid again. Allow to cool completely before reuse.

The warmers can reach a maximum temperature of 54°C (130°F).

Yes, they are non-toxic. However, avoid direct, prolonged contact with skin to prevent burns.

Each warmer is 90 x 90 x 15mm and weighs 118g.

They are ideal for outdoor activities like hiking, skiing, and commuting, and also for emergency preparedness.

Yes, they are reusable. You can reactivate them after boiling them in water.

Ensure the metal disc has been flexed correctly. Check for any damage to the warmer that may prevent activation.

The duration of heat may vary based on ambient temperature. Ensure the warmers are insulated properly (e.g., inside a pocket or glove).

Avoid direct prolonged contact with skin. If the warmers feel uncomfortably hot, remove them immediately.