Features: The perfect surface allows to customize the pattern or logo on the surface of the disc, which is very convenient. Made of high quality material, durable, eco-friendly with high performance. Offers a maximum write speed of 16x and recording time 133 minutes. Ensures the recording stability and integrity of the content. Suitable for the backup and storage of data, photos, music and videos etc. Combining the high performance and excellent reliability, the discs are the perfect storage medium for recording your personal music mix, save and archive important files, and also favourite videos. Specification: Item: Disc Type: DVD-R Defect Rate: Less than 0.3% Data Storage: Very Stable Speed: 16X Options: 10pcs, 20pcs, 50pcs Diameter: 12cm / 4.7inches Weight: 16g / 0.6oz (One piece) Package Weight: 170g/ 6oz(10pcs), 320g / 11.3oz (20pcs), 800g / 28.2oz(50pcs) Package Include: 10/20/50 * Discs