MARK'S STORAGE .it With slide zipper White Large (210 x 146mm): Equivalent to A5 80 pages Orange Medium (181 x 125mm): Equivalent to B6 80 pages Refill notebook for Medium 80 pages You can store your smartphone, earphones, pens, etc. inside the zipper. The left side of the notebook has a 2.5mm special grid, and the right side has 7mm ruled lines. New, unused, but stored at home. 2026 planners are also available.