Introductory set of 2 x hands and 2 x feet warmers

The warmer must be placed in the shoes when very warm to last 5 hours.

To get started, they need oxygen and humidity.

Open the bag / knead / wait for 10 minutes. Activate at room temperature.

Blow on them to speed up the start, especially at 0°C or over 2,000 m

Gives off gentle heat for 5 to 6 hours. Single-use product.