1.100% virgin wood pulp , the good quality ,competitive price and good service.2.Sheet size : A4 (210mm x 297mm) or 8.5*11" or 8.5x13"A3 420mm*297mm3.Basic Weight: 70gsm ,75gsm,80gsm4.color:natural white5.Material: wood pulp or mixed wood pulp6.Whitness:CIE 145-1607.Brighness:92%-94% 96%-98% 98%-102% 102%-104% 105-106%8.Package: 500 sheets per ream , 5 reams in a box,with many kinds of standard export packaging,OEM is available9.Using: Photocopy machine, laser printers, ink-jet printers , fax machines.High quality and favorable price.