1PK DVD-RW 4X 4.7GB with Jewel Case Supports up to 4x DVD-RW recording speeds; Ideal for recording up to 2 hours of DVD quality home movies and video clips; Archive and back up, up to 4.7GB of important data; Compatible with 4X DVD-RW from Sony, Pioneer, Apple, Panasonic and others; Read compatible with most DVD-ROM drives and DVD video players.