Which itself embodies an archaic remnant: the “floppy” disk icon is most often the 3.5 inch disk (the one with a metal shutter) which was in fact rigid.
Actual “floppy” disks (8” and later 5.25”) were flexible and needed a slightly more rigid sleeve to make them easy to handle. The 3.5” ones needed the sleeve to protect the medium (the actual disk).
Actual “floppy” disks (8” and later 5.25”) were flexible and needed a slightly more rigid sleeve to make them easy to handle. The 3.5” ones needed the sleeve to protect the medium (the actual disk).