Package system (2) for a powdery, granular, paste-like or liquid sterile product comprising a plastic outer tray (4) and a plastic inner tray (6). The inner tray (6) is to be sealed with a first plastic cover to form a sterile receptacle for the sterile product. The outer tray (4) is to be sealed with a second plastic cover to form a sterile receptacle for the inner tray (6). The inner tray (6) has a spout (40) for the application of the sterile product.