Look to Verbatim UltraLife Gold Archival Grade DVD-R media to preserve your family photos and home movies as well as critical corporate data. Each disc is manufactured using proprietary unique dual reflective layers to maximize both compatibility and longevity. To further extend media lifetime, Verbatim UltraLife DVDs contain a hard coating on the recording side to protect the discs from scratches.The gold reflective layer, naturally resistant to corrosion, prevents oxygen from coming through the DVD bonding material and corroding the silver reflective layer. Silver oxidation can be a primary factor that limits the lifetime of DVD media.The combination of MKM's patented Metal AZO DVD recording dye, revolutionary Dual Reflective Layer technology and proprietary hard coating enables Verbatim UltraLife archival-grade DVD-R discs to deliver new levels in longevity and performance without sacrificing compatibility.