Bubble bags mainly use high-pressure polyethylene bubble film to cut the film, cut the bubble film into the required bag-making size, and then use the special bag-making machine for bubble film (heat-drying and hot-cutting bag-making machine) to make the bag. It is mainly used in Cushion packaging for electronic products, logistics and transportation protection for plastic products, metal products, ceramic products, glass products and other products that require buffer protection. Bubble film is processed by high-pressure low-density polyethylene, which is a kind of transparent flexible packaging material commonly used at present, and has a wide range of uses.