I purchased this a few years ago for work, but it's been unused and unopened since then. I'm currently using another pack, and the ones I opened and used back then are still usable. Product Description: ● DVD-R for computer data, one-time recording. ● For storing large amounts of data and video. ● High-quality media. ● Supported speeds: 1-16x ● Recording layer: 1 layer ● Capacity: 4.7GB ● Digital broadcast: Not recordable ● Case: Spindle case ● Label: Compatible with inkjet printers ● Wide printable area type ● Model number: (P/N) DHR47JPP50 I have three packs available, and I can accommodate bulk purchases. However, I will consider shipping methods and discounts, so if you are interested in buying in bulk, please be sure to consult with me in advance.