MUJI Japanese Pocket Notebook: A6, A6 Thin & B6

MUJI Japanese Pocket Notebooks in A6 and B6 with red bookmark threads, and an A6 open on blank pages, drawn to scale — The A6 and B6 at MUJI USA's listed sizes with their red bookmark threads, and an A6 open, to scale (1 mm = 1.61 px). Original illustration made for this guide. © Stationery Times.

Product facts

Product

MUJI Japanese Pocket Notebook with Bookmark (A6, A6 Thin, B6)

Brand

MUJI

Brand origin

Japan

Made in

Japan^*

Material

Paper and thread (per MUJI USA)

Good for

Price range

$under $5 per notebook

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Notes on these facts

Made by Ryohin Keikaku Co., Ltd.. Made in Japan: MUJI USA's product details give "Country/Region of Origin: Japan". Source. Price: example listing.
How we test and disclose samples: How we test stationery.
Price bands are typical US retail, checked October 2026.

Key takeaways

Three versions at MUJI USA: A6 with 144 sheets, A6 Thin with 50 sheets, and B6 with 184 sheets.
The A6 and A6 Thin are both 14.8 × 10.5 cm (5.8 × 4.1 in); the B6 is 19.5 × 13.7 cm (7.7 × 5.4 in).
MUJI says it is made with the same bookbinding technique as a paperback novel, and has a red thread bookmark.
The materials are paper and thread, and MUJI USA gives Japan as the origin.
All three are in our $ band (under $5).

What is the MUJI Japanese Pocket Notebook?

It’s a plain paper notebook bound like a paperback novel, with a red thread bookmark, sold in three versions. MUJI USA describes a simple notebook made with the same bookbinding technique as a paperback novel. MUJI is the brand of Ryohin Keikaku, the Japanese retailer.

The listing is under a recycled paper URL, but the materials line says only paper and thread.

MUJI Japanese pocket notebook specs

Version	Size	Sheets
A6	14.8 × 10.5 cm (5.8 × 4.1 in)	144 (288 pages)
A6 Thin	14.8 × 10.5 cm (5.8 × 4.1 in)	50 (100 pages)
B6	19.5 × 13.7 cm (7.7 × 5.4 in)	184 (368 pages)

Spec	Value
Binding	Paperback-novel style, per MUJI USA
Bookmark	Red thread
Materials	Paper, thread
Ruling	Plain (blank)
Barcode (A6)	4550182111262
Made in	Japan (MUJI USA)

MUJI USA gives no paper weight or cover material, so we can’t say how it takes fountain pen ink.

Who is the MUJI Japanese pocket notebook for?

It suits people who want a plain, bookish pocket notebook with a ribbon-style place marker.

Everyday carry: the A6 is 148 mm tall and 105 mm wide, a size that fits a jacket pocket or small bag.
Journaling and planning: the A6 has 144 sheets with a red thread bookmark, and the B6 has 184 sheets.

Skip it if you need ruled or grid pages: this listing is plain only.

Outlines of the MUJI Japanese pocket notebook A6, A6 Thin and B6 drawn to scale — The A6 and A6 Thin share an outline; the B6 is 4.7 cm taller (1 mm = 1.3 px). Original illustration made for this guide. © Stationery Times.

Which version should you choose?

Choose the A6 for a pocket, the A6 Thin if you fill notebooks quickly, and the B6 for a bag. The A6 Thin has 50 sheets against 144, in the same footprint, so it is much thinner. The B6 is 4.7 cm taller and 3.2 cm wider than the A6.

How is it different from MUJI’s other notebooks?

It has more sheets than MUJI’s thin stitched notebooks and a bookmark, but doesn’t fold flat like the ring notebooks.

	Japanese Pocket A6	Recycled Paper A6	Double Ring A6 with Strap
Sheets	144	30	80
Binding	Paperback style	Thread-stitched	Double rings
Ruling	Plain	Lined or grid	6 mm lined
Made in	Japan	Japan	Japan

For other pocket sizes, see our best pocket notebooks roundup and notebook sizes chart.

What do the three versions cost?

MUJI USA lists the A6 Thin at US$2.50, the A6 at US$3.90 and the B6 at US$4.90. By our arithmetic that is about 2.7 cents a sheet for the A6, 5 cents for the Thin and 2.7 cents for the B6, so the A6 and B6 cost about the same per sheet. Prices change, and we read the page on November 1, 2026.

Where is it made, and what does it cost?

In Japan: MUJI USA gives Japan as the country or region of origin. All three are in our $ band, under $5, with the A6 Thin the cheapest and the B6 the dearest. MUJI USA sells them as Final Sale, with no refunds or exchanges; we read the page on November 1, 2026, and prices change.

Frequently asked questions

How many sheets are in the MUJI Japanese pocket notebook?

MUJI USA lists 144 sheets for the A6, 50 for the A6 Thin and 184 for the B6.

Is the MUJI Japanese pocket notebook plain or lined?

The listing is for the plain (blank) version, per its product name.

Does the MUJI pocket notebook have a bookmark?

Yes. MUJI USA says it has a red thread bookmark to keep your place.

How is the MUJI Japanese pocket notebook bound?

MUJI USA says it uses the same bookbinding technique as a paperback novel.

What size is the MUJI A6 pocket notebook?

14.8 × 10.5 cm (5.8 × 4.1 in), the same footprint as the A6 Thin.

Is the MUJI Japanese pocket notebook recycled paper?

The product handle says recycled paper, but MUJI USA's materials line says only "Paper, Thread". We can't confirm a recycled content figure.

Is the MUJI Japanese pocket notebook made in Japan?

Yes. MUJI USA lists Japan as the country or region of origin.

Sources (2)

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