High-Definition: Blu-ray discs are designed especially to store large HD video and audio files. Recordable: This single-layer Blu-ray disc is designed for one-time recording and should be used with BD-R hardware Laser Technology: Verbatim Blu-ray discs use blue-violet laser technology to read and write data. That means, superb resolution,excellent contrast, vivid colors and amazing sound. Capacity: The Verbatim single-layer printable Blu-ray disc offers up to 25 GB of storage space to back-up your video, music, photos and more. Printable: The Verbatim printable Blu-ray disc has a super white printable surface that offers full-surface edge-to-edge printing