... R 1,Grade A in quality 2,700MB / 80MIN / 52X 3,Bad rate :<0.3% or <2% 4,Excellent light stability CD-R ... own side. with the best quality.CD-R : Inner packingIndividual : 1 pc/jewel case ,or 1 pc/slim caseBox :10 pcs, 25pcs ... ,50 pcs,100pcsBulk :shrink wrap or cake boxCD-R : ... coating can save longer , well protect data. CD-R with 52X running speed