Miquelrius 6 x 8 A5 Wirebound Notebook, 6-Subject, Graph Paper, Black Medium 6-Subject notebook; 150 leaves/300 pages (equally divided colored subsections of blue, red, grey, green, purple, aqua) Extra opaque 70gr/m2 paper; 5mm graph squares; header for titles Micoperforated pages for easy detachment; hole-punched for filing Opaque polypropylene basic cover Coil binding which allows the notebook to be opened flat and to make 180 degree turn