A Floppy disk is composed of a thin and flexible electronic storage medium.
=== 8-inch floppy disk ===Floppy disks of the first standard are 8 inches in diameter, protected by a flexible plastic jacket
 On the other hand, the 3inch floppy has been lauded for its mechanical usability by humancomputer interaction expert Donald Norman: A simple example of a good design is the 3-inch magnetic diskette for computers, a small circle of floppy magnetic material encased in hard plastic

