1structure : paper + PE +Aluminum + PE 2.It have good light- proof ,high-barrier ,easy- use , good printing and flatness 1. widely used for wet tissue , glass cleaning pads , computer cleaning pads. 2. the Aluminum Foil paper have good light- proof ,high-barrier ,easy- use , good printing and flatness. so it is suitable for 4- sides - sealed packaging machine.3. we can supply different material ...