DVD+R Double Layer and DVD-R Dual Layer discs can hold up to 8.5GB double the capcity of a standard DVD or approximately 4 hours of DVD-quality video on a single disc and 16 hours of VHS quality. 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. No need to flip the disc records 8.5GB on one side. Supported by high speed Double Layer writers up to 10X burn 8.5GB in approximately 12-15 minutes. Compatible with DVD+R DL drives from Sony Philips Lite On and other leading manufacturers. Ideal for archiving home movies. Limited Lifetime Warranty.