CD-R 1,Grade A in quality 2,700MB / 80MIN / 52X 3,Bad rate :<0.3% or <2% 4,Excellent light stability CD-R printable type ... DVD by your own side. with the best quality.CD-R : Inner packingIndividual : 1 pc/jewel case ,or 1 pc/slim ... light stablity*strong anti-collision*strong super anti-moisture protective coating can save longer , well protect data. CD-R with 52X running speed