A4 photocopy paper 1.Size:A4,A3,8.5"x11" 2.Base Weight:80gsm,75gsm,70gsm 3.Whiteness: 92-96%,98-100%,102-104% ... Exactly humidity control,more clearly when printing,and more flatter.With white&smooth paper,can cross the machine smoothy,can ... the copy-machineNice appearance-white and cleanNice touch-smooth and bulkyNo see through-print both sidesBeen developed for: Photocopy Machines, Laser Printers ...