Size:International standardA4: 210 x 297mmA3: 420x 297mm8.5 x 11-inch (216 x 279mm)8.5 x 14-inch (216 x 330mm)Our main paper as above:Whiteness: A grade (102-104%)B grade (98-100% )C grade (94-96% )Weight: 70 gram; 75 gram; 80 gramKey Performance:No jam in tocopy 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 : tocopy Machines, Laser Printers, Ink-jet Printers, Fax MachinesFeatures and Benefits:Perfect for high-quality printing and copyingSuper high whiteness produces outstanding clarity and contrast for all gracs and textPrecision-cut edges for trouble-free performanceUser-friendly box design with built-in handle for easy carrying, tear slot perforation for easy access to the reams and label for filing