The air column bag is also known as the buffer air column bag and the main material is PE and nylon, which is in the food grade packaging material, and is the new packaging system which is filled with natural air in the 21st century. The air column buffer protection with comprehensive package will minimize the loss rate of product transportation. Using the physical principle, an inflatable, the platoon is full, automatic locking air, form the SDC, breakage, gas column only damaged part fails, the remaining gas column, completely don't accept the color ring, still maintain a protective effect. Provides storage for a long time not leak resistant ð « selections protection, comprehensive coating buffer to protect column type, will damage rate dropped