Graph paper notebook, 1/2 inch squares, 120 pages in a spacious 8.5 x 11 inch format ideal for graphs, math sums, composition books and notebooks. The notebook is perfect bound so that pages will not fall out. Part of the Notebook Not Ebook #MATH series cover design. Our notebooks all have a distinctive, colorful cover. The notebook is perfect bound so that pages will not fall out and has a soft yet sturdy cover. Available in numerous other designs and also in a good-sized 7" x 10" version, a pocket-sized 5.25" x 8", a handy 6" x 9" as well as our popular 8.5" x 8.5" notebook. To see our full range of notebooks and journals click on the author link for Spicy Journals above.