50 high-grade non-rewritable BD-R discs with a one hundred year archival life and OEM drive certified Verbatim Blu-ray discs are treated with a super hard coat to prevent scratches, resist fingerprints and reduce dust build-up Single-layer Blu-ray discs offers up to 25GB of storage space to back-up your video, music, photos and can work on any writers up to 16X Compatible with the latest Blu-ray hardware including Sony, Pioneer, Panasonic, Dell, Lenovo, HP, and LG Verbatim has been a leader in data storage technology since 1969, and guarantees this product with a limited lifetime warranty and technical support