When it comes to CD Technology, Verbatim rewrote the book… Verbatim CDRW is the industry standard for performance, compatibility, and the ultimate in reliability. Verbatim CDRW utilizes an advanced super-eutectic phase change recording layer which ensures durability and reliability while archiving data at higher rewrite speeds. These discs allow you to rewrite data without errors up to 1,000 times. All backed by a Verbatim Limited Lifetime Warranty. Certified 2X-4X speed rewrite compatibilityRewritable up to 1,000 timesRead compatible with multi-read CD & DVD drivesLong archival lifeLimited Lifetime Warranty