Smurfit Kappa Bag-in Box® developed the Thermo Bag to meet the specifications of hot filling which is a commonly used processing method in the drinks industry. During hot filling, the product is pressed, filtered, pasteurised, heated and filled at a high temperature to facilitate sterilisation and then immediately cooled for preservation and taste. This method has the advantage of extending shelf life, removing any harmful microorganisms, reducing costs and simplifying the process.