ItemCopy PaperMaterial100% wood pulpSizeA4, A3base Weight80gsm, 75gsm, 70gsmWhiteness94-96%, 98-10Universal Hardware Parts 0%, 102-104%Packing500 sheets per ream, 5 Etching Machine reams per carton(box)Load Qty(20ft)GSMA4A380gsm8000 reams4000 reams75gsm8200 reams4100 reams70gsm8400 reams4200 reamsKey performanceNo jam in photocopy machineNo double feedStay flat after copyingLeave no dust in the copy-machineNice appearance-white and cleanNice touch-smooth and bulkyNo seTimer & Counter e throWatch Box ugh-print both sidesBeen developed for: PhotLinear Actuator ocopy Machines, Laser Printers, Ink-jet Printers, Fax Machines