... UsageIt is suitable for automatic or semi-automatic shrink pack machines,plastic products,stationery,books,electronic ... performance.4. Airproof wrapping, dust and damp resistance.5. Fine thermal sealing and easy wrapping.6. High ... performance.4. Airproof wrapping, dust and damp resistance.5. Fine thermal sealing and easy wrapping.6. ... profileGuangzhou Kingway packaging material Co.,LTD POF shrink film