When drive manufacturers test their products, they use Verbatim media. It’s the global No.1 for a reason - guaranteed quality. Due to the extensive research and development undertaken over the past 50 years, Verbatim is able to provide the highest quality discs which ensure that all your data will be safely stored and will last a lifetime.Optical discs provide the best solution for long-term safe and secure storage of your important files - ideal for all your precious photos, videos and documents that you want to keep forever. They are dust and water resistant and can withstand wide changes in temperature and humidity.Verbatim DVDs feature HardCoat Scratch Guard to protect against fingerprints and dust build up, reducing recording or playback errors.AZO is patented technology used exclusively by Verbatim. It provides the ultimate resistance to UV light for increased protection and reliability. The double / dual layer of recording has been made possible by the creation of a new substrate layer that sits in between each recording layer. This allows the laser beam to record on both layers. Once the first layer has been recorded, the laser re-focused to record on the second layer. 8.5GB capacity in a single disc.