This product is a set of 25 3.5" floppy disks from various brands such as 3M, Imation, and Maxell. Each disk has a capacity of 1.44 MB and has been tested and formatted for reliable use. These disks are ideal for storing and transferring data on older computers that rely on floppy drives for storage. With a size of 3.5 inches, these floppy disks are a practical and compact option for storing small amounts of data or files. Thanks for looking.