There are 3 Fugifilm Disks & 1 Sony Disk. The Iomega 100MB External Zip Drive Disks are a set of four NEW, NEVER OPENED, blank media disks designed for use with PC computers. With a capacity of 100 MB each, these standard size disks are ideal for storing and accessing data. Packaged in original packaging, these disks offer reliable storage options for your files and documents. The jewel case packaging provides protection and easy organization, making it a convenient accessory for your computer storage needs.