Product name: A4 copy paperWeight: 70gsm,75gsm,80gsmSize: A4(210mmx297mm)Whiteness: 102%-104%,natural whitepacking: 500sheets/ream,5reams/cartonLoad quantity: 70gsm:5800reams/1700cartons/20'GP80gsm:7800reams/1560cartons/20'GPKey performance: No jam in tocopy machine,No double feed,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 sidesApplication: tocopy Machines, Laser Printers, Ink-jet Printers, Fax Machines