We sell and manufacture A 4 papers,70GSM and other papers used for office usedItem copy paperMaterial 100% virgin wood pulpSize A4, A3, 8.5x11,8.5x14Base Weight 80gsm, 75gsm, 70gsmWhiteness 102%-104%, 110%Packing 500 sheets per ream, 5 reams per carton(box)Load Qty(20ft) GSM A4 A380gsm 8000 reams 4000 reams75gsm 8200 reams 4100 reams70gsm 8400 reams 4200 reamsKey performance No jam in photocopy machineNo double feedStay flat after copying