S = A4 paper, M = A5 paper, L = B5 paper. 300 Numbered Pages with 4-page blank table of contents for easy reference, each page has day and month header. Strong metal twin-wire binding with heavy-duty hardcover, folds flat for better writing. Dimensions: 11 x 8.5 x 1.0 inches. 100 Gsm thick paper prevents ink bleeding and ghosting, suitable for ballpoint, fountain and gel pens, write on both sides. Inner pocket and elastic closure keep pages safe, includes marker stickers and pen loop. Ideal for journaling, note-taking, drawing, goal setting and planning. Weight: 2.38 pounds.