Product package and product package blank

A product package, which comprises a frame part (2) provided with a base (3) and with walls (2a, 2b) in connection with the base (3) as well as with edge parts (4a) on the top edge of the walls, said edge parts being folded outwards and forming an essentially flat edge section (4), in which frame part (2) is a recess (1a) for the product to be packed, and which frame part (2) is preferably formed, by means of folds, from recyclable fiber material and which recess (1a) is lined on the inside with a separate inner lining (6) that is removable from the aforementioned frame part (2), and in which product package the aforementioned edge section (4) is arranged to function as a fastening surface for the aforementioned inner lining (6), characterized in that before fastening the inner lining (6), the edge parts (4a) of the frame part (2) are arranged to form an even, single-piece and essentially unbroken edge section (4) of the product package as a fastening surface for the inner lining (6), and in that the adjacent edge parts (4a) of the frame part (2) are fastened in a leakproof manner at their ends to each other with a butt seam forming a corner seam (5), and the fastening is reinforced with a reinforcement piece (2d) fastened under the corner seam (5) and the ends of the edge parts (4a).