The Iomega Zip 100 100MB Disks are IBM compatible and come in a pack of 10. These blue disks have a storage capacity of 100 MB and a transfer rate of 40 Mbps. With a write speed twice as fast, these Zip Drive disks are ideal for storing and transferring large files on PCs. The writable format makes them convenient for all your storage needs, and they are brand new and sealed for guaranteed quality.