Packaging bag as well as method for production

A packaging bag having a bag body formed from a flat web, the bag comprising:

• a first front wall;
• a second front wall;
• a heat-sealed seam that closes the bag body at a lower end by connecting the first front wall and the second front wall either directly or via side folds;
• and
• a stand-up bottom formed in a bottom section of the bag body by folding and gluing the first and second front walls;
• wherein the flat web has a varnish coating on an outside of the bag body;
• wherein the first front wall has an adhesive region kept free of the varnish coating in the bottom section of the bag body;
• and
• wherein the flat web comprises a layer of a material selected from the group of polyethylene (PE), polyethylene terephthalate (PET), polypropylene (PP), polylactide (PLA), and paper that borders on the varnish coating, the varnish coating being in contact with the layer of material, wherein to form the stand-up bottom, the front walls are folded over so that sections of the adhesive region of the first front wall lie on top of one another.