4K compatible BD-R XL discs with a large 128GB capacity, in a 3-disc pack. - Capacity: 128GB - Pack Count: 3 Pack - Type: BD-R XL - Recording Speed: 2-4x - Supported Resolution: 4K - Japanese Labeling: Yes With 128GB, you can fit quite a bit depending on the mode. These discs are also suitable for high-definition recording, but they are not rewritable. Therefore, they are ideal for backing up recordings of children's growth, weddings, and other special events. Thank you for viewing. Best regards.