All 8 discs are unopened. --- During the manufacturing process, a certain number of selected stampers are further rigorously chosen to maximize data accuracy. These CD-Rs are ideal for master recordings. They come with a protective sheet to shield the recording surface from dust and scratches until just before recording. Packaged in the familiar 10mm jewel case. Label: For Master Discs Write Speed: 1-16x Index Card: Yes Tray Color: Black Country of Origin: Japan Specifications: CD-R Type: For PC / 16x Speed Printable Surface: No Retail Price: ¥2500 per disc