PVC heat shrink film bags are heat sealed packaging in one of the most commonly used material. By hot hair dryer, close to the surface of transparent heat-shrinkable film, to improve the grade of product, dust-proof effect of moisture, the perfect package to show new items. Heat-shrink film packaging, method of operation is simple and easy to learn, just prepare a hair dryer, usually at home and were able to finish well. As adding a sealer, can make better packing effects.