Pads are made from a mixture of natural materials: powdered iron, salt, charcoal, water and vermiculite.
This mixture is surrounded with a soft breathable membrane.
In conjunction with oxygen the mixture heats up.
Heat duration: up to 12 hours.
Max. temp.: 65 °C (149 °F).
Average temp.: 55 °C (131°F).
| SIZE: | 88 × 54 mm |
| MATERIAL: | Powdered iron, salt, charcoal, water and vermiculite |
| Weight: | 0.050 kg |
