Verbatim CDRW is the industry standard for performance, compatibility, and the ultimate in reliability. Verbatim High-Speed CD-RW discs are manufactured with a patented phase-change Super Eutectic Recording Layer (SERL), which minimizes optical noise during erase/rewrite cycles, and provides superior archival life. Verbatim 4X-12X CDRW media is ideal for drag & drop recording using packet writing software such as DirectCD. Look to Verbatim's CDRW discs to store digital images, data back-up and desktop file storage.These discs allow you to rewrite data without errors up to 1,000 times.