Item copy paperMaterial 100 % virgin wood pulpSize A4: 210*297mmBase Weight 80gsm,75gsm,70gsmWhiteness 102%-104%,natural whitePacking 500 sheets per ream, 5 reams per carton(box)Load Qty(20ft) GSM A480gsm 8000 reams75gsm 8200 reams70gsm 8400 reamsKey performance No jam in photocopy machineNo double feedStay flat after copyingLeave no dust in the copy-machineNice appearance-white and cleanNice touch-smooth and bulkyNo see through-print both sidesBeen developed for: Photocopy Machines, Laser Printers, Ink-jet Printers, Fax Machine