Lifesystems Thermal Bag A very useful piece of kit, ideal for use in an emergency, lightweight and super compact, easy to pack away in your rucksack. The thermal bag provides total body coverage for maximum personal protection. When inside the bag, it will reflect and retain over 90% of radiated body heat. An essential part of any outdoor survival kit. Strong, metallised polyester materials Windproof, waterproof and radar reflective Thermally welded & taped seams Lightweight - Strong and flexible metallised polyester Heat Reflective - Reflects up to 90% of radiated body heat Weatherproof - Windproof, waterproof, highly visible and radar reflective Weight:180g Dimensions (packed):90 x 140 x 38mm Dimensions (unpacked):210 x 100cm This product is specifically recommended by the D of E charity as the best choice for those taking part in their bronze, silver, or gold awards