This pack of PlexDisc DVD-R Glossy White Inkjet Hub Printable Discs with Liquid Defense Plus contains 50 single-layer, single-sided, write once recordable DVDs. They enable recording and playback of video, as well as storing data. Each disc can hold 4.7GB, which can be used to record over two hours of video. Liquid Defense Plus is a special water and scratch-resistant coating applied to the disc. The finish also resists fading and smearing.