Cubitainer its sterile, non-toxic, excellent low temperature performance, and good chemical stability and electrical insulation properties, is widely used in sterile solid API, sterile pharmaceutical excipients, sterile preparation products such as transport and staging, and sterile rubber plug from the cleaning process to the filling line transit packaging. In addition, in the food industry, sterile bag also with cardboard, aluminum foil together constitute food packaging containers, wherein the sterile bag about 20% by weight of the entire package, the main barrier fluid leakage and microbial attack action.