Besides being the industry standard for performance and reliability Maxell floppy disks offer technological advances for improved data protection. Maxell 3.5" disk features include the patented Dual- Interlocking Flex Shutter a self-cleaning multi-layer disk liner to keep the magnetic surface clean and error free an innovative multi-binding system to help extend laptop battery life and a disk shell that withstands extreme conditions even at temperatures as high as 140F.Primary InformationMedia Type : Floppy disk Media Form Factor : 3.5" Storage Removable Capacity (Native) : 1.44 MB MAC Formated Dimensions&MiscellaneousPC Compatibility : Mac Service&SupportService & Support Type : Limited lifetime warranty UNSPSC CodeUNSPSC Code : 43202004 Product IDUPC: 025215556432Manufacturer Part: 556455