... . 2) pre printing on the paper also available, 3) Size :9.5"x11";15"x11" computer papers1)High quality based paper used ,solid in ... )Perforated well with aperture gapĀ±0.01mm,fit for fast printing 4)Specification:Width XLength 9-1/2" X11" or 15 ... . 5)Gsm for Single Ply :55g,60g,70g,80g ,bond paper Gsm for Multi-plies:45g,47g,50g,52g,55g carbonless ...