Large Notebook 8.5" x 11" (21.59 x 27.94 cm, A4 size is 21.0 x 29.7 cm) 100 pages One inch square grid with no borders Numbered pages Additional 4 pages (at the end) to fill-in table of contents or write notes Durable soft cover with matte finish for a nice look and touch Multipurpose paper Grades prek, K - 2 One inch square graph paper is ideal for math based learning activities, fine motor practice of young kids including those with learning disorders, visual challenges, disgraphia, written expression diagnosis, etc. Lovers of football squares (Super Bowl board) and other Pen & Paper games also enjoy it. The numbered pages and blank table of contests at the end make a breeze to find what was done, notes, etc. The author also offers the book with a grid without margins as well as books with other square grid sizes (1/2, 1/4 and 1/5 inch, and 1cm square), and various non square types of the grid papers.