Abstract: A disposable portion package for liquids, creams, powders or the like, the package mainly comprising a casing made of a flexible film, which tightly encloses the packaged substance and also a certain amount of air or some other gas, the package having been provided with at least one conduit or the like, which has been arranged to open by means of pressure produced inside the package, for example by pressing the package between the fingers in order to obtain the contents for use, preferably as a finely-divided spray, the package comprising at least two wall parts sealed to each other, the conduit being formed in some layer in the seam connecting the wall parts by weakening the seam in the conduit area, in which case, when package is pressed, the area of the conduit opens to make the substance available for use.