Just what I expected to get. Over time [10-15 years] previous experience indicates that the adhesive may try out and fail. Also if overloaded the metal may start to cut the file at the ends - perhaps some type of strentghning could be added at those 2 points.
My son used these hanging file folders to organize all of his Lego instructions. He had found a plastic container that had slots for hanging file folders and he insisted that this is what he wanted to be able to separate all his Lego series instructions. He also used the tabs on top of the hanging file folders to write out which Lego series was in each folder. I thought this was a great idea as he had been using only one folder before and all of them were mixed up. He now thinks he needs more Legos as he has left over folders! Have folders - must fill!
These are not "heavy duty" files and yet are very sturdy. The hangers are secured within the folder and do not slide from side to side which is a problem with some brands. They have a very nice structured feel to them and I would recommend them for regular to moderately heavy filing use.