Material Structure : PET/AL/PE PET/AL/PA/PE PE/AL/PA/PE PE/AL/PET/PE or as customers' requirements. Thickness:� 100---180microns Size: 880*395+110mm/900*410*140mm or customized size. Function: Moisture barrier, oxygen barrier and UV protection. Specification:� � Composite Strength: >30 Newton/15mm Sealing Side Tensile Strength: >60 Newton/15mm Capacity: 25kgs. Features: Good form,easily stack, vacuumed. Printing / Anti-slip treatment / puncture resistance / one-way degassing valve can be accepted.