Box for bag-in-box package

A box for forming a Bag-in-Box package, the box comprising:

• a rectangular bottom having a first edge, a second edge opposite to the first edge, a third edge between the first edge and the second edge, and a fourth edge opposite to the third edge;
• a first end wall extending upwards from the first edge of the bottom;
• a second end wall extending upwards from the second edge of the bottom;
• a first side wall extending upwards from the third edge of the bottom;
• a second side wall extending upwards from the fourth edge of the bottom;
• and
• a top,
• wherein the second end wall is higher than the first end wall, and the bottom, end walls, side walls and top together define a closed space for accommodating a bag containing liquid,
• wherein the box is configured to be stacked with a second, identical box so that tops of the two boxes face each other and the first side wall of each box is aligned with the first side wall of the other box, and at least one end wall of the box is provided with a protrusion, which extends upwards from the top of the box and which is configured to be engaged with an end wall of the second box and/or with an aperture that is formed in the top of the second box for preventing mutual movement of the boxes in at least one direction, and
• wherein the top of the box is provided with an aperture that is configured to be engaged with a protrusion of an end wall of a second box.