... : size:A4,A5,A6.. cover:157g artpaper with CMYK /printing. inner:55/60g offset paper with french/rule lin exercise notebook: size:A4 ... ,A5,A6.. cover:157g artpaper with CMYK /printing. inner:55/60g offset paper with french/rule lineschool exercise notebook:Size : A4 ... /230/250g whitecardboard ,250 grey cardboard ,craft paper with 2 colors or CMYK /printing Inner : 55/60/70/80g offset paper,50 ...