providing Double The Storage Capacity Of A Standard Dvd-recordable Disc, Dvd+r Double Layer And Dvd-r Dual Layer Discs Can Hold Up To 8.5gb Or Approximately 4 Hours Of Dvd-quality Video On A Single Disc. Compatible With Double-layer Writers From Leading Manufacturers, These Discs Are Ideal For Archiving Home Movies. Dvd+r Dl And Dvd-r Dl Are One-time Record Discs, Ensuring That Your Movies, Video Clips Or Other Data Will Not Be Erased. While Requiring A Dual-layer Recorder, These Discs Are Compatible For Playback With Most Standard Dvd Video Players And Dvd-rom Drives.