It has three functions of resistance of the static,electromagnetic interference and moisture. And it has strong hot sealings and firm lamination of different layers of material.The three-layer or four-layer structure have excellent function of stopping water and oxygen. It has strong puncture resistance ability.It is applicable to the electronic products' packaging with moisture-barrier requirement such as all kinds of PC board, IC integrated circuit,CD driver,HD,electronic component,etc.The surface resistance is ≤108-1010Ω. This product can also be printed with characters,image and trademark according to the customers requirements under the condition that it does not impinge the intellectual property of others.It helps to promote the image of enterprise.