Meterial:100%wood pulp Brightness:94%-96%, 98-100% , 102%-104% 1.100% virgin wood pulp , good quality , competitive price and good service. 2.Sheet size : a4 (210mm x 297mm) A3 420mm*297mm 3.Basic weight: 70gsm , 75gsm, 80gsm 4.Color:natural white 5.Material: wood pulp or mixed wood pulp 6.Whitness:cie 145-160 7.Brighness:94%-96% 98%-100% 102%-104% 500 sheets per ream , 5 reams in a box, with many kinds of standard export packaging