This product is a lot of 3 vintage Iomega Jaz 1GB disk cartridges specifically formatted for Mac use. These black removable storage cartridges were manufactured in the United States and are compatible with Iomega Jaz drives. With a storage capacity of 1GB each, these cartridges provide a reliable and convenient way to store and transfer data on older Mac computers. Ideal for those looking to retrieve or transfer data from a vintage Mac system, these Iomega Jaz cartridges offer a piece of technology history along with practical storage capabilities.