Space Certified Technology Premium Space Warm Sheet Poka Poka Premium Double Size Aluminum Insulation Sheet Cold Protection Sheet Aluminum Blanket ● Size: 170 x 140cm ● Approximately 160g Please note that there may be some errors due to amateur measurements. ● Material: 4-layer aluminum structure (non-woven fabric + transparent polyethylene film + aluminum + transparent polyethylene film) ● Made with materials developed from NASA technology, also used in the US ER (Emergency Medical Services). The secret to warmth is the Thermolite body temperature reduction prevention system. It reflects radiant heat from the body with a special aluminum layer and insulation layer, preventing body temperature from dropping. Thin, light, and flexible, please try the feeling of being wrapped in gentle warmth. ● Although it has hardly been used, there are some wrinkles. Please refer to the images for condition confirmation!