Disk shipping cassettes are designed for specific disk sizes (form-factors)
Cassettes, disk shipping containers are made up of a cassette (body), a top cover and a bottom cover. These containers enclose and protect the disks while in transit or storage. Disk shipping containers are designed for specific disk sizes (form-factors).
Normally these containers are ordered as assemblies, but you can also order the cassette body separately.
Shipping containers hold a maximum of 25 disks per container
Containers come in a variety of materials, colors, and sizes
Other options are also available such as "washed" product, "special handling," and "non-standard packaging"