I have found using these paper envelope sleeves much easier and better for keeping a lot of disk data organized in one place. The Staples brand paper sleeves just saves me so much storage room I switched over from plastic CD-R cases to them for their efficiency and compression to make better use of what space I have to store such things as CD-R disks. I made a quick side-by-side comparison with brand names of the same item and found as usual the Staples brand is every bit as good if not better and the value for the money spent is excellent. I am on a fixed income so I notice such things.