The product is a special edition of IBM OS/2 Warp for Windows, version 2.1, packaged on 3.5" floppy disks. This operating system is designed by IBM and is specifically for IBM OS/2 Warp. It is sealed and has never been opened, making it a valuable collector's item for those interested in vintage computer software. The 3.5" disks provide a format that is compatible with older systems, allowing users to install and run the operating system on various devices.