CD-RW provides the flexibility to write and rewrite your CDs, as many as 1,000 times, while offering compatibility for playback on your CD-R/RW burner, DVD-ROM, or your Multi-Read CD-ROM drive. Each disc offers 700MB/80 minute capacity and a recording speed of 2X to 4X. Rewritability is beneficial for applications such as data backup, and temporary storage of large files. CD-RWs provide high quality and long-term durability for all of your application uses. Each CD-RW comes in a slim jewel case.