Packed roof window product

A packed roof window product comprising a plurality of differently sized roof window related product components accommodated in a box,

• wherein the box in a supply condition has a bottom side and a top side, which bottom side and top side are spaced apart along a height axis and side walls of the box extend between the bottom side and top side of the box along the height axis, said bottom side, top side and side walls delimiting an internal space of the box, and
• wherein a first of the side walls extends along a primary axis, which primary axis is perpendicular to the height axis, and the first side wall has an upper edge extending along the primary axis along the top side, an outer surface facing away from the internal space, and an inner surface facing towards the internal space,
• wherein a first of the components or a collection of components is accommodated by a sub-packaging, the sub-packaging being accommodated in the internal space of the box,
• the sub-packaging comprising a main body, which main body delimits an internal space accommodating the first component or component collection,
• the sub-packaging further comprises an attachment flap projecting from the main body, and
• the sub-packaging is attached to the first side wall by the attachment flap extending across the first side wall from the inner surface to the outer surface.