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