Miquelrius A4 8.25 X 11.75 Graphite Wirebound Notebook, 4-subject, College Ruled Large 4-Subject notebook; 320 pages/160 sheets (80 in each color subsection of blue, red, grey, green) Extra opaque 70gr/m2 paper; college ruled; header for titles Micoperforated pages for easy detachment; hole-punched for filing Graphite-colored Extra-hard card board laminated in plastic. Coil binding which allows the notebook to be opened flat and to make 180 degree turn