Product description Specification: -brand : paperone (original) -size : a4 -substance: 80gsm -brightness : 100% - 102% -color: white -whiteness :cie167 -grade :all purpose premium paper -sheet in ream:500 -roughness:140ml/min -thickness :110um -opacity:95% -ream box :5 ream -quality: very high -origins: indonesia Box