600pcs Gigablock DVD-R 16x 4.7GB 120Min Silver Top Premium Quality Media type : DVD-Recordable Blank Media, Write-once format DVD Storage Capacity : 4.7GB / 120 minutes (depend on user) Top Surface : Silver shiny(No stacking ring) High-performance long-life AZO dye with high quality Packing type : 1 Master Cartons (Total 600 pcs)