Manufactured by Ritek/Ridata, the write-once DVD-R DL discs are capable of storing up to 8.5GB of data and approximately 240 minutes of video playback. 
(120 minutes more than a single layer DVD disc)

Product Specifications:
● DVD Recordable Dual Layer
● 8.5GB capacity
● up to 4x recording
● White ink jet printable surface
● Packed in lots of 10 and packaged individually in standard slim line cases