Paper Size : 210mm x 297 mm (International A4 size) ( 215mm x 279mm ) Substance : 80g / m2 Brightness : 102-104% Quality : 100% Virgin Wood Pulp whiteness : CIE 167 Thickness : 110 um Opacity : 95% Roughness : 140 ml/min Packing details : 1 ream = 2,5 kg. 1 pallet = 120 boxes. 1 box = 5 reams. 1 MT = 400 reams. 1 container = 12 pallets. 1 container = 1440 boxes. 1 container = 7200 reams. 1 container = 18 MT.