CD-Rewritable means that you can use the disc more than once and that the contents of the disc can be erased and rewritten. Verbatim CD-RW discs can be rewritten a minimum CD-Rewritable means that you can use the disc more than once and that the contents of the disc can be erased and rewritten. Verbatim CD-RW discs can be rewritten a minimum 1, 000 times. A revolutionary phase change optical recording material, SERL (Super Eutectic Recording Layer) is behind the success of Verbatim\'s CD-RW disc. This high technology material ensures smooth switching between record / erase phases along with high thermal stability in the recording layer. The stability in the recording layer translates into high reliability, low signal noise and long-term archive stability. Key Features High Performance Recording Layer Extra Protection Durability Layer Minimum of 1000 times overwrite Lifetime Warranty Capacity: 700MB Speed: 12x Pack Style: 10 Pack Spindle Disc Surface: Scratch Resistant Verbatim CD-RW discs are ideal for anyone who wants to store and rewrite data or images. Verbatim\'s CD-RW is ideal for applications such as personal data storage, multimedia presentations, digital image storage (including digital photography), temporary storage of internet downloads, back-up, archiving, prepress and software development. With Verbatim CD-RW media there is virtually no way to ruin a disc in the recording process. If something is not exactly right, just rewrite that portion or the entire disc. Simple!