We use these labels with our HP Laser Jet machine and they come out perfect everytime. We use them to mail & ship, pocket folders and 3-ring binders. No problems sticking to these types of materials. They come inside a ziplocked bag now that seems to keep them more flexible. I even run them through our machine multiple times as I often only print one label at a time - no problems associated with doing that as long as you don't print on the backing material once a label has been removed.
Bottom Line Yes, I would recommend this to a friend