Its structure normally has two types, one is PET/AL/CPE, the other is PET/AL/NL/CPE. It has three main resistant function of static, electromagnetic interference and Moisture. Normally applied to large machines, electronic components, vacuum packing Telecommunication. The product has superior puncture resistance and anti-static Inner and outer layers with a surface resistance of 108 - 1,011ohm.(All Sizes are available in open flat, ziplock, and kinds of tridimensional Styles)