The folders do their job, mechanics (only a week but in use) is still blameless Of the 10 folders have 2 pieces bubbles on the surface, two more have rust stains inside - that should not happen in fact if you offer quality goods ... I still keep because you these errors not seen when the folder on the shelf. On the positive side are the replaceable spine labels, so you can easily swap the labels. The folders are not the way of "5 Star" but from the Biella Hawk GmbH, bothers me not, of 5 Star I had never heard what ...