These Staples 4.7GB DVD-R disks are perfect for backing up data, music, photos, videos and other important files. The DVD-R format ensures universal compatibility with DVD burners and readers. The write-once capability prevents data from being overwritten, and a large 50-disc spindle ensures disks are always on-hand. The spindle has a locking container that keeps the cover securely in place, protecting disks from scratches and storing them safely. 16x speed, 120 minutes recording time 4.7 GB capacity Rewriteable write-once recording prevents data from overwrites DVD-R format provides universal compatibility. 50-pack spindle.