Material: 100% virgin wood pulp Size: A4, A3, 8.5×11, 8.5×14 Base Weight: 80gsm, 75gsm, 70gsm Whiteness: 102%-104%, 110% Packaging: 500 sheets per/ ream, 5 reams /per carton (box) Load Qty (20ft) GSM A4 A3 80gsm- 8000 reams /4000 reams 75gsm- 8200 reams /4100 reams 70gsm- 8400 reams /4200 reams Key performance, No jam in photocopy machine Stay flat after copying Leave no dust in the copy-machine Nice appearance-white and clean Nice touch-smooth and bulky No see through-print both sides Been developed for: Photocopy Machines, Laser Printers, Ink-jet Printers, Fax Machines