Memorex 4.7 GB Pro Gold Archival DVD-R (3-Pack) 24k gold reflective layer provides maximum resistance to aging and chemical breakdown High Performance Dye is extremely stable; ideal for long-term storage Duralayer technology provides a scratch-resistant surface for added longevity and protection Lasts up to 6x longer than standard optical media; CD Archival Life of up to 100 years 5-pack; 4.7 GB