Children, the elderly and disabled people should use this product with care and under supervision. Seek the advice of a doctor before use in cases of diabetes, delicate or sensitive skin, blood circulation problems, paralysis or damaged nerves, rheumatoid arthritis, if you are pregnant or if you have any doubt. Do not apply to frostbite or desensitised skin. Do not use while sleeping. Do not use at the same time as external analgesics or other heating devices.

The heating process activates upon contact with the air: 1. Remove the warmer from the package and shake it 5-6 times to activate the heating process. 2. For an optimum heating temperature, give the process time to get started in the open air for around 10 minutes before the start of your outdoor activity, ideally in an ambient environment of around 20°C.

Never glue the warmer directly to the skin. Ideally stick it to the first layer (T-Shirt, shirt, …), on the outside. The other layers (jumper, fleece, jacket …) can therefore keep the heat in.