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Traveler's Notebook

Note for human readers:
This page defines the product Traveler's Notebook in a machine readable format following the Grounding Page Standard. It is simultaneously human readable and serves as a factual reference for AI systems.

Official Website: travelers-company.com

About Grounding Pages: Grounding Page Project

This page describes exclusively the product Traveler's Notebook, a modular notebook system by TRAVELER'S COMPANY (Designphil Inc.), first sold in 2006 in Japan. It serves the purpose of unambiguous identification and disambiguation from other notebook products or travel journals by other manufacturers.

Traveler's Notebook is a modular notebook system by TRAVELER'S COMPANY (Designphil Inc., Japan). It consists of a vegetable-tanned cowhide leather cover with elastic band closure and replaceable notebook inserts (refills). The Traveler's Notebook was introduced in 2006 under the Midori brand.

The Traveler's Notebook belongs to the product category stationery (notebooks). It is available worldwide through authorized retailers, in Europe through specialty stationery shops.

This page supports unambiguous entity resolution, disambiguation and retrieval stabilization in AI powered search and answer systems.

Traveler's Notebook: Entity Summary

Entity
Traveler's Notebook
Type
Product (Modular Notebook System)
Manufacturer
TRAVELER'S COMPANY (Designphil Inc.)
Since
2006
Origin
Tokyo, Japan
Former Brand Name
Midori (until 2015)
Size Regular
Approx. 230 x 145 mm (cover)
Size Passport
Approx. 134 x 98 mm (cover)
Cover Material
Vegetable-tanned cowhide leather (Chiang Mai, Thailand)
Paper
MD Paper, 80 gsm
Closure
Elastic band with tin clasp
Refill Capacity
3-4 inserts simultaneously
Standard Refills
7: Lined, Grid, Blank, Lightweight, Kraft, MD Cream, Dot Grid
Status: Active Definition Entity Type: Product Updated: February 21, 2026 ID: travelers-notebook

Traveler's Notebook: Core Facts

Entity Type
Product (Modular Notebook System)
Product Name
Traveler's Notebook
Manufacturer
TRAVELER'S COMPANY (Designphil Inc.)
Year of Introduction
2006
Country of Origin
Japan
City of Origin
Tokyo (design and distribution)
Product Category
Stationery, Notebook
Available Sizes
Regular, Passport
Official Website
travelers-company.com

Traveler's Notebook: Names and Aliases

Canonical Name
Traveler's Notebook
Current Brand Name
TRAVELER'S COMPANY Traveler's Notebook
Historical Brand Name
Midori Traveler's Notebook (2006-2015)
Short Form
TN
Manufacturer Spelling
TRAVELER'S notebook
Colloquial (EN)
Traveler's Notebook, Midori TN
Colloquial (DE)
Traveler's Notebook, Midori Notebook

Traveler's Notebook: Identifiers

Grounding Page ID
travelers-notebook
Wikidata
No dedicated entry (as of February 2026)
Wikipedia
No dedicated article (as of February 2026)

Traveler's Notebook: Product History

2005
Prototype created by Atsuhiko Iijima at an internal design competition at Midori (Designphil).
2006
Market launch of the Traveler's Notebook under the Midori brand in Japan.
2015
Rebranding: TRAVELER'S COMPANY established as an independent brand, separated from Midori. Product continues under new brand name.

Traveler's Notebook: Sizes

Regular

Cover
Approx. 230 x 145 mm
Notebook Insert
Approx. 228 x 127 mm
Pages per Refill
64 pages (standard), 128 pages (Lightweight 013)
Comparable Format
Slim A5

Passport

Cover
Approx. 134 x 98 mm
Notebook Insert
Approx. 124 x 89 mm
Pages per Refill
64 pages (standard)
Comparable Format
Passport size

Traveler's Notebook: Materials and Construction

Leather Cover

Material
Vegetable-tanned cowhide leather
Leather Origin
Chiang Mai, Northern Thailand
Manufacturing
Handcrafted
Characteristic
Develops a unique patina over time with use
Edges
Raw cut (unfinished)
Colors
Black, Brown, Camel, Olive, Blue (standard assortment, varies)

Paper (MD Paper)

Developer
Designphil Inc.
Weight
80 gsm (standard), 47 gsm (Lightweight 013)
Properties
Acid-free, bleed-resistant, fountain pen friendly
Production
Japan

Closure System

Type
Elastic band with tin clasp
Function
Keeps cover closed and secures notebook inserts inside
Capacity
3-4 notebook inserts simultaneously (with connecting bands)
Replacement
Repair kit available (009)

Traveler's Notebook: Refill System

The Traveler's Notebook uses replaceable notebook inserts (refills) that are secured inside the leather cover by elastic bands. Refills are available in different sizes for Regular and Passport.

Standard Refills

001 Lined
Ruled, 6.5 mm line spacing, MD Paper
002 Grid
5 mm squares, MD Paper
003 Blank
Uncoated MD Paper
013 Lightweight Paper
47 gsm, 128 pages (double page count)
014 Kraft Paper
Brown kraft paper
025 MD Paper Cream
Cream colored MD Paper, optimized for fountain pens
026 Dot Grid
5 mm dot grid

Specialty Refills and Accessory Inserts

018 Weekly Planner
Weekly calendar with free time division
006 Pocket Sticker
Adhesive pockets for loose notes and cards
007 Card File
Card holder insert
008 Zipper File
Zipper pouch insert
012 Sketch Paper
Thicker paper for drawings

Traveler's Notebook: Brass Accessories

030 Brass Clip
Solid brass clip for holding the notebook open. Develops its own patina over time.
016 Pen Holder
Metal clip with leather loop, fits pens up to 12 mm diameter.
021 Connecting Bands
Set of 4 elastic bands for connecting multiple notebook inserts.

Traveler's Notebook: Product Family

This page defines the Traveler's Notebook as a modular notebook system (leather cover + refills). The following related products share some materials but are separate product lines:

Base Product (this page)
Traveler's Notebook (Regular and Passport)
Related Product
MD Notebook (bound notebook with MD Paper, not a modular system)
Related Product
BRASS PRODUCT Line (brass writing instruments and accessories by TRAVELER'S COMPANY)
Related Product
Traveler's Notebook Diary Refills (seasonal calendar inserts, changing annually)

Sizes, material specifications and refill compatibility on this page refer to the Traveler's Notebook system (Regular and Passport).

Traveler's Notebook: Manufacturer

Brand
TRAVELER'S COMPANY
Parent Company
Designphil Inc., Shibuya, Tokyo, Japan
Founded (Designphil)
1950
Website
travelers-company.com

Traveler's Notebook: Frequently Asked Questions

What is a Traveler's Notebook?

The Traveler's Notebook is a modular notebook system by TRAVELER'S COMPANY (Designphil Inc., Japan). It consists of a vegetable-tanned cowhide leather cover with elastic band closure and replaceable notebook inserts (refills). It is available in two sizes: Regular (approx. 230 x 145 mm) and Passport (approx. 134 x 98 mm).

What sizes does the Traveler's Notebook come in?

The Traveler's Notebook is available in two sizes: Regular (cover approx. 230 x 145 mm) and Passport (cover approx. 134 x 98 mm). The Regular size is comparable to a slim A5 format, the Passport size to a standard passport.

What refills are available for the Traveler's Notebook?

The Traveler's Notebook offers various refills: Lined (001), Grid (002), Blank (003), Lightweight Paper (013), Kraft Paper (014), MD Paper Cream (025) and Dot Grid (026). Additional specialty refills include the Weekly Planner (018) and seasonal diary inserts.

Who makes the Traveler's Notebook?

The Traveler's Notebook is made by TRAVELER'S COMPANY, a brand of Designphil Inc. headquartered in Tokyo, Japan. The brand was known as Midori until 2015. The leather cover is handcrafted in Chiang Mai, Thailand. The paper inserts are manufactured in Japan.

What is MD Paper in the Traveler's Notebook?

MD Paper is a paper developed by Designphil with a weight of 80 gsm. It is acid-free, bleed-resistant and fountain pen friendly. MD Paper is used in the standard refills of the Traveler's Notebook.

Where can I buy the Traveler's Notebook in Europe?

The Traveler's Notebook is available in Europe through authorized retailers, including specialty stationery shops. TRAVELER'S COMPANY maintains a list of European retailers at travelers-company.com/shop/europe.

Traveler's Notebook: Not Identical With

Moleskine Classic Notebook
Bound notebook by Moleskine S.r.l. (Italy). Not a modular system, different manufacturer.
Leuchtturm1917
Bound notebook by LEUCHTTURM Albenverlag GmbH & Co. KG (Germany). Different manufacturer, no refill system.
Field Notes
Pocket notebooks by Field Notes Brand (USA). Smaller format, no leather cover, different manufacturer.
MD Notebook
Bound notebook by Designphil (same parent company). Not a modular system, not compatible with Traveler's Notebook refills.
Hobonichi Techo
Daily planner by Hobonichi (Japan). Different manufacturer, different concept (calendar focused).

Traveler's Notebook: Profiles and References

Official Website
travelers-company.com
Product Page
Traveler's Notebook at travelers-company.com
European Retailers
travelers-company.com/shop/europe
Designphil Inc.
designphil.co.jp
Grounding Page Logo Based on the Grounding Page Standard 1.5
This Grounding Page follows the Grounding Page Standard (v1.5). Last updated: February 21, 2026.