The Iomega Zip Disk 750MB 3-Pack is a set of genuine Zip cartridges designed for use with PCs. These disks have a storage capacity of 750 MB each, making them ideal for storing and accessing large amounts of data. The new and sealed packaging ensures that the cartridges are in top condition for optimal performance with your Zip drive. Perfect for both Mac and PC users looking to expand their storage capabilities with a reliable and trusted brand like Iomega.