CDR [Diamond Disc] Specification Write-once permanent data storage Store photos, data, music, presentations and more… Silver / Blue coating 700 Megabytes/ 80 Minutes 2-52X speed Packaging 10, 25, 50, 100 pack cakebox Traditional pack of 10mm jewel case Space saving pack of 5mm super slim case Economy spindle pack Other packing are available, please contact us for information