GRAPH PAPER NOTEBOOK: RETTACY Grid Notebook comes in A5 (5.7'' × 8.3'') size, 2-Pack, 96 Sheets/192 Pages per pack, durable and smooth Leather Hardcover, 100 GSM Thick Acid-free Paper, Elastic Closure Band, Pen Holder, 2 Ribbon Bookmarks, Inner Pocket, Drawing Stencils PU LEATHER HARDCOVER: RETTACY Grid Notebook's cover is made of smooth PU leather hardcover, offering a protection for your precious entries. With this exquisite cover, you can rest assured that your grid notebook will be a cherished keepsake for years to come 100 GSM PREMIUM PAPER: 100 GSM paper is thicker & sturdier, enduring the test of time. Perfect for jotting thoughts, ideas, or memories, our grid notebook keeps your words pristine. Use most pens, pencils, or markers with no ghosting or bleed-through ACID-FREE PAPER: Acid-free paper prevents long-term corrosion, ensuring document preservation. It also offers high quality and excellent writing performance with a clear, uniform surface that enhances readability VERSATILE APPLICATIONS: The gridded layout of graph paper aids students in math, physics, engineering, and science by offering a precise framework for plotting, solving equations, and illustrating concepts, thus enhancing data visualization and comprehension of complex theories RETTACY Graph Grid Paper Notebook, 2-Pack, 192 Pages per Pack, A5 Medium Size (5.7'' x 8.3''), Leather Hardcover, 100 GSM Thick Paper, for School, Students, Math, Engineering (Black & Navy Blue)