MD Notebooks with Fountain Pen-Friendly Japanese Paper

MD Notebooks combine minimalist Japanese design, fountain pen-friendly MD PAPER and thread-sewn binding that opens flat for comfortable writing. Choose from several sizes and blank, lined, grid or dot-grid pages for journaling, notes, drawing and everyday ideas.

5 products

Choosing an MD Notebook

MD Notebooks come in several sizes and page styles. Use this guide to find the format that best suits how and where you like to write, plan or create.

If you want... Consider...
A balanced size for journaling, note-taking and everyday writing MD Notebook A5
A square page with balanced margins and a wide-open spread for sketches, mind maps and visual ideas MD Notebook A5 Square
A narrower notebook that is comfortable to carry while still providing room to write MD Notebook B6 Slim
A compact notebook for journaling and notes in a smaller bag MD Notebook A6
A pocket-size place for quick notes and ideas MD Notebook A7
A spacious page for long-form writing, diagrams, drawing and larger ideas MD Notebook A4 Variant
Complete freedom for sketching, illustration and unstructured writing Blank pages
Clear guidance for handwriting, journaling and longer written entries Lined pages
Visible structure for organized notes, charts, diagrams and precise page layouts Grid pages
Subtle, unobtrusive guidance for journaling, lists, trackers and flexible page designs Dot-grid pages

Complete Your MD Notebook

A fitted MD cover adds protection while preserving the notebook’s simple character. Explore clear, leather and Cordoba paper covers, and always match the cover to the exact notebook size and format.

Find a Compatible MD Notebook Cover

MD Paper Notebooks FAQs

MD Notebooks are available in a range of formats, from pocket-friendly A7 and A6 notebooks to B6 Slim, A5, A5 Square and the more spacious A4 Variant. Availability varies by notebook style and paper type.


Choose A7 or A6 for portable notes, B6 Slim when you want a narrow notebook with more writing room, or A5 for a balanced everyday format. A5 Square works well for layouts and drawing, while A4 Variant provides more space for long-form writing, diagrams and sketches.

ined pages provide comfortable guidance for handwriting. Blank pages offer complete freedom for writing and drawing. Grid pages are useful for organized notes, diagrams and layouts, while dot-grid pages provide a light, unobtrusive guide for flexible journaling, planning and custom page designs.

The thread-sewn binding allows MD Notebooks to open flat for comfortable writing across both pages. The exposed spine is part of the notebook’s intentionally simple construction.

MD PAPER is designed to work well with fountain pens and resist feathering and bleed-through. Drying time and show-through can vary with the nib, ink and writing style, particularly when using broad or wet nibs.

A cover is optional. The notebook can be used as it is, but a fitted cover provides additional protection in a bag or during everyday use. Always select a cover made for the same notebook size.

MD PAPER is the specially developed Japanese writing paper at the heart of MD PRODUCT. It is designed to balance smooth pen movement with a gentle amount of feedback, creating a comfortable surface for handwriting, drawing and everyday notes.

MD PRODUCTS and MIDORI share the same Designphil family, but they are presented as separate brands. MD PRODUCT focuses on its specially made MD Paper and minimalist writing tools, while MIDORI offers a broader assortment of planners, illustrated stationery and accessories.

MD PRODUCT is the current name of the Japanese stationery brand known for MD notebooks, planners and writing tools. MD PAPER is the specially developed writing paper used in many of its products. Shoppers may still use “MD Paper” to refer to the brand, but MD PRODUCT is its official name.

Continue Exploring MD PRODUCT

Explore more ways to write, plan and protect your notebook.

MD Planners

Find the right balance of monthly planning, notes and daily pages.

Shop Planners

MD Notebook Covers

Explore clear plastic, leather and Cordoba paper covers made for MD Notebooks.

Shop Covers