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. Features & Benefits: Certified 4X-12X ultra speed rewrite compatibility Advanced Super-Eutectic Recording (Advanced SERL) technology, a Verbatim patented phase-change recording layer enhances achievability for superior durability and reliability at higher rewrite speeds Rewritable up to 1,000 times Read compatible with multi-read CD & DVD drives Superior overwrite cyclability Limited Lifetime Warranty