Miquelrius Notebook Filler Paper, 8.5 X 11, 4-subject Grid/graph Pages, (100 Sheets/200 Pages) Large 4-Subject refills; 100 sheets/200 pages (25 in each color subsection of blue, red, grey, green) Extra opaque 70gr/m2 paper; 5mm graph squares; header for titles Easy tear pages Hole-punched for filing with 3 holes Made in Spain