... -sided Below is our product specifications 1. GSM: 70 \75 \80 GSM in weight 2. Size: 8. 5'*11' (216mm*279mm ... high super brightness), The Spec.belowing : 1. GSM :70 \75 \80 GSM in weight 2. Size: 8.5'*11' (216mm*279mm ... %-4.5%, Whiteness: >98% Thickness: 103-110 um Surface roughness TS ml/min: 75-175 Surface roughness BS ml/min: 100 ... Machines, Laser Printers, Ink-jet Printers, Fax A4 copy paper 80