Verbatim 25GB 2x Blu-ray Single-Layer Recordable Disc BD-R LTH (Low to High), 1-Disc 96569 Low to High (LTH) &#8211; BD-R LTH is the same as all other Blu-ray media, except it&#8217;s manufactured using a more efficient production process. High-Definition &#8211; Blu-ray discs are designed especially to store large HD video and audio files. So, you&#8217;ll use fewer discs when you&#8217;re backing-up, recording or duplicating high definition digital recordings - including your music library. Hard Coat - All Verbatim Blu-ray discs are treated with a super hard coat to prevent scratches, resist fingerprints and reduce dust build-up. Laser Technology &#8211; 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 Blu-ray disc offers up to 25GB of storage space to back-up your video, music, photos and more.