Graph Journal: Kokuyo B5 (252 x 179mm) grid ruled journal has sliver cover, single subject note book has 80 double-sided sheets (160 pages), perfect fight ink bleed notebook for in-class assignments or business projects. Perforated inner paper allows you to neatly separate the pages you need. Use it as a small note or as a memo, or discard unnecessary pages D shaped Soft Ring: Spiral notebooks for men have unique soft spine that won't snag or hurt your hands. Flexible rubber rings instead of metal rings prevent the ring from snagging other items in your bag, and offers enhanced durability and comfort for daily use. 360 foldable business notebooks are ideal choice for writing on small table or standing Precision 5mm Graphing Notebook: Come with high-quality 80 Kokuyo smooth paper sheets (160 pages) in 5 squares per inch grid. Perfect for precise note-taking, detailed math/chemistry diagrams, artistic sketches, and student use. Sliver PP Cover: The plastic front cover is waterproof, stain resistant. The cover will not wear out like a paper cover, making it suitable for long-term use. Even if you pour colored liquid on it, you can wipe it off easily without leaving any stains. The PVC notebook can be rolled up for easy carrying, saving more space. The back cover is cardboard paper Kokuyo Orignal Paper: Kokuyo's famous bleed-resistant paper is not only perfectly suitable for common pencils, fountain pens and ballpoint pens, but also does not bleed when used with markers and highlighters. Suitable for busniess, school, diary journals, drawing, sketching, travel journals, work notebooks or for taking notes in college classes or meetings