Sony 25CDRW700RS 4X CD-RW Discs 25-Pack Spindle Sony CD-RW offers compatibility for playback on your CD-R/RW burner, DVD-ROM, or your Multi-Read CD-ROM drive Rewritability is beneficial for applications such as data back-up & temporary storage of large files Sony CD-RW discs provide high quality and long-term durability for all of your application uses Sony CD-RW discs provide high quality and long-term durability for all of your application uses.