The dunnage bags are using the companies which are the exporters. Dunnage bags are using in container or truck. While the loading there are some blanks between the pallets or boxes. We put that the middle of the two pallets and than filling with air pressure with air tool it is sqeezing the pallets both sides there is not any moving while the transportation and there is no damages anymore. It&＃39;s really cheap and fast than the other materials.