Brand: Smartbuy. Type: Black on Black CD-R (Double Side Black). Speed: 52X. Capacity: 700MB. Surface: Digital Vinyl (Black). Black CD-R are made from black plastic. Digital Vinyl Black CD-R provide a unique, high-quality solution for personalizing and distributing music, video or marketing materials. Black CD-R excellent compatible with many recorders and players. High quality and reliability. Suitable for storing various data storage. Quantity: 50 Pack. Packing: Plastic Shrink Wrap. Features: Smartbuy Black on Black CD-R Disc (Double Side Black). Excellent reading & writing performance. Compatible with most readers and writers. LOW BLER (block error rate) UV and heat resistance.