... against oxygenLiquid,vacuum packagingPET/PA/RCPP121°C,30min high temperature cooking, oiliness,prevent from oxygenMeat,rice,dish inner ... inner packagingPA/AL/RCPP or LDPE128°C high temperature cooking,strong sealing strength,anti-puncturePack retortable food, ... a variety of plastic composite packaging bag, containing high-temperature cooking bags, boiled vacuum bag, aluminum composite packaging bag. ...