1,000pcs 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) Recording Speed : 1x ~ 16x Top Surface : Silver shiny(No stacking ring) Packing Type : 100pcs pack x 10= 1,000pcs