Memorex 4.7GB DVD+R Media (10-Pack with Jewel Cases) 10-pack of DVD+RW Discs Discs work with DVD+RW drives only (incompatible with DVD-RW drives) Each disc is write-once and single sided Stores up to 4.7 GB of data or 4 hours of video Not operable in the following 1st generation DVD+RW drives: Ricoh 5120A, Sony DRV110ACI, Philips DVD+RW208, and HP DVD100i