Product Description Personalize, Protect and Organize All Your Memorex DVD's and CDR's with Memorex Labeling Kits, Labels, DVD Storage Cases and Jewel Cases. From the Manufacturer These Memorex CD-RWs allow you to erase and rewrite information thousands of times on the same discs. Each CD-RW holds up to 700 MB of information or 80 minutes of music, though the re-writable format makes it seem like more. The discs also offer a 4x recording speed, and are compatible with computer CD burners for recording (not audio recorders). The spindle includes 25 discs.