The product is a set of 20 unused 5.25" 2-sided HD floppy diskettes, with a capacity of 1.2 MB per disk. The set includes 15 Maxell brand diskettes and 5 Sony brand diskettes, all recordable and packaged in sleeves. The floppy diskettes come with a lifetime manufacturer warranty and are standard size units. Ideal for computers and networking storage needs, these high-density floppy diskettes offer reliable and secure storage for your data.