S = A5 (Horizontal), M = B5 (Horizontal). 360 Pages 100Gsm Thick Lined Journal with Pen Set, A5 size (5.9"" x 8.5""/159mm x 215mm), 8mm college ruled, 180degree(s) lay flat, 2 bookmarks, elastic closure band, inner pocket. Thick paper minimizes bleed-through with markers and fountain pens. Ideal for daily planning and creative work. Suitable for professionals, students, and personal use. Weight: 1.41 pounds.