Graph Paper Notebook B5 Grid Spiral Notebook - Thick 300 Pages

In this review of the RETTACY Graph Paper Notebook, the bottom line is simple: it is a practical, durable grid notebook best suited for students and professionals who need a sturdy, high-capacity workbook for calculations, sketches, and class notes. The single biggest reason to buy is the combination of 300 pages of 100 GSM acid-free paper with a protective leather hardcover and twin-wire spiral binding, which keeps sheets flat and preserves writing with minimal ghosting. For anyone who prefers structured layouts, the 5 mm grid and included organizational tools make this notebook especially useful.

Key Features

• B5 Size: The 7.6 in by 10 in medium format balances portability and writing area for note-taking and sketches without being bulky.
• 300 Pages: A generous page count provides long-term use for classes, projects, or professional notebooks without frequent replacement.
• 100 GSM Acid-Free Paper: Thick, durable pages reduce bleed-through and ghosting so you can use most pens, pencils, and markers confidently.
• Leather Hardcover: A smooth leather cover protects pages from wear and keeps the notebook looking presentable over time.
• Organizational Extras: Built-in pen holder, inner pocket, ribbon bookmark, sticky index tabs, and a lightweight ruler help keep notes organized and accessible.
• Twin-Wire Spiral Binding: The sturdy spiral keeps the notebook flat while writing and allows pages to turn smoothly for single-hand use.

Who It's For

This notebook is ideal for students in math, engineering, or architecture who need precise 5 mm grids for calculations, diagrams, and graphs, as well as professionals who sketch layouts or track structured data. Creative users who prefer grid guides for bullet journaling, project planning, or mindful logs will also find the page count and extras handy.

If you need a pocket-sized notebook for quick notes or a premium leather volume with numbered pages and perforations, look elsewhere; this notebook prioritizes volume and structure over ultra-compact size or removable pages.

Pros & Cons

Pros

• Thick 100 GSM paper minimizes bleed-through and feels substantial for ink work.
• 300 pages provide long-lasting use for school semesters or large projects.
• Leather hardcover and twin-wire spiral give durable protection and a flat writing surface.
• Helpful accessories like pen holder, elastic bands, inner pocket, and tabs improve organization.

Cons

• The B5 medium size is less pocketable than smaller notebooks, so it is not ideal for on-the-go use in tight pockets.

Specifications

Brand	RETTACY
Size	B5 (7.6 in x 10 in)
Pages	300 pages
Paper Weight	100 GSM, acid-free
Grid Spacing	5 mm (5 grids per inch)
Binding	Twin-wire spiral
Cover	Leather hardcover with gold foil Tree of Life

Our Verdict

The RETTACY Graph Paper Notebook is a solid, good-value choice for students, engineers, and creatives who need a durable, high-capacity graph notebook with thick paper and organizational extras. Its combination of 300 pages, 100 GSM sheets, and protective leather cover makes it especially useful for longer projects where bleed-resistant pages and a stable writing surface matter.

Frequently Asked Questions

Is the paper suitable for markers and fountain pens?
The 100 GSM acid-free paper is thicker than typical notebook paper and resists most bleed-through, though very wet pens or broad markers may still show some ghosting.

Does the notebook lay flat for drawing?
Yes. The twin-wire spiral binding keeps the book flat while writing or sketching and allows easy page turns.

What organizational tools are included?
The notebook includes a pen holder, two elastic closure bands, an inner pocket, a ribbon bookmark, sticky index tabs, and a lightweight ruler for quick reference.