Weight: 70gsm, 75gsm, 80gsm Whiteness: 93%-95, 96%-98%, 102%-104%, 104%-106% Clean appearance,enhancing print contrast Itemcopy paperMaterial100% wood pulpSizeA4(210x297mm), A3(420x297mm)Base Weight70gsm, 75gsm, 80gsmWhiteness93-95%, 96-98%, 102-104%, 104%-106%Packing500 sheets per ream, 5 reams per carton(box)Load Qty(20ft)GSMA4A3Letter..