1, size: A4(210x297mm) 2, material: 100% virgin wood pulp 3, brightness: 102%-104% 4, whiteness: CIE 167 5, Roughness :140 ml/min 6,Thickness :110um 7,Opacity:95% 8,Used in:Photocopy Machines, Laser Printers, Ink-jet Printers, Fax Machines 9,Packing: 500 sheets per ream, 5/8/10 reams per carton loading with/without export standard pallets..