Stackable package and a packaging assembly made therewith

A flexible or semi-flexible stackable package for flowable products, comprising:

• a package body with side, top and bottom walls, and a neck adapted to receive closing and/or dispensing means that extends outwardly from one of the walls;
• the neck is off-centered and tilted relative to a vertical axis of the package with an angle between 20° and 60°, the vertical axis being perpendicular to the bottom wall, and the neck extending outward from the package body past the top and side walls of the package body;
• the package body walls comprise at least one recessed portion such that when stacked in a package assembly, the neck of the package fits in the at least one recessed portion of a horizontally aligned package located adjacent to the neck such that the neck rests all along its height on the recessed portion of the horizontally aligned package and a package above the horizontally aligned package contacts the closure on the neck;
• and
• the top wall comprises a rib that extends outward, and the bottom wall comprises a groove having a shape corresponding to the shape of the rib.