Pure aluminum foil bag material comprises AL (aluminum) + PET + PE composite, the unique nature of the aluminum after dry composite aluminum production and other high barrier materials into aluminum foil bag. Foil texture, light, shiny, strong reverse capability, good barrier, impermeable to gas and water vapor, temperature adaptability, high temperature or low temperature stable shape, shading and strong, preserving flavor and excellent features, so aluminum foil Bag has a good moisture barrier, blocking, dark, resistance to penetration and aesthetically pleasing features, water vapor transmission rate of up to <0.015 g / (m2 · 24h)>, also a heat sealing function, can be vacuum packaging . Aluminum foil bags look opaque, silvery-white, anti-shiny, but not for repeated rubbing can cause foil breakage, thus affecting the dark nature.