We sale all kinds of copy paper. Specifications:sheet size:210mm x 297mm, international size a4quality: imported 100% virgin wood pulpwhiteness = 102-104%, natural whitecapability: high speed copying100ppm, lasercapable, inkjet capable, fax capable.Thickness: 103-110 umsurface roughness ts mlmin: 75-175surface roughness bs mlmin: 100-200bending stiffness md: >110 mnbending stiffness cd: >50 mncie whiteness: 167cobb test: 27-33 gm2 27-33 key 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 mac we look forward to receive your order confirmation and we hope to hear from you as soon as possible.