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We proudly design and manufacture all of our products in the United States. All of the design work, manufacturing and production is done in our studio shop in Santa Rosa California.

About Fillers & Inserts

Oberon Design sells fillers for all of our Refillable Leather Covers; Original Journals, Icon Journals, Large Notebooks, Extra Large Journal/Sketchbook, Pocket Notebook Covers, available for purchase on our Parts and Fillers Page.

Looking for an alternative or a specific format notebook filler?

For Planners, Calendars, Address Books, Lined, Dot Grid or Blank page formats, read on!
Below you will find a section for each of our leather covers with the details about that cover and filler options.

This guide will help you find the perfect Leather Cover / Notebook combination to suit your needs.

Large Journals & Icon Journals

For versatility our Large Journals and Icon Journals come with a blank hardbound book insert. Inside you'll find a lined template sheet with bold lines which are visible when the template is slipped behind a blank page to help with straight lined writing. To purchase an Oberon Design book refill Click Here. Otherwise...

For alternative notebook fillers, our Large Journal covers are a great fit for A5 notebooks. (A5 standard international paper size)

Filler Inserts for Large Journals & Icon Journals

A5 SIZE GUIDE - Large Journals and Icon Journals

‣ A5 standard international paper size - 5.8 x 8.3 inches (148 x 210 mm)

‣ Dimensions vary slightly between "standard" A5 notebooks. A notebook that is similar to these dimensions will work, just make sure that the spine isn't too deep (0.75 inches or less)

Note the difference! CLICK HERE for a detailed comparison of the Large Journal and the Large Notebook Covers.

OUR FAVORITE A5 OPTIONS
Both of these brands are found in Office Supply Stores, Stationers and online. Amazon is a good source too. Other A5 sized filler brands would work as well, of course.

Leuchtturm 1917 Medium A5 Notebook
145 x 210 mm / 5.7 x 8.3 inches (spine width 0.75 inches). - A variety of formats offered by Leuchtturm for their 1917 Medium A5 notebook including Ruled, Dot Grid, Squared, etc. make this a versatile alternative option and a popular Bullet Journal brand for free-form planners.

Rhodia Desk Webnotebook
145 x 210mm / 5.2 x 8.25 inches
The choice for fountain pen users and everyday note taking.

CUSTOMER RECOMMENDATIONS

‣ Hobonichi "Cousin" A5
‣ Midori MD Notebook A5
‣ "Fit most trade-size paperback books for those who prefer the added protection & hand feel of leather covers for reference and well loved & re-read print books."
‣ Mixed Role Productions Aug. to Aug. Calendar & Organizer. Great for Students!

Do you know of others? Let us know! Send a photo! We will add them to this page.

Large Notebooks

Our Large Notebook Covers work for the Moleskine Brand notebooks in the 'Large' 5.25 x 8.25 inch format. These include ruled, blank & graph formats, sketch book, Japanese album, storyboard memo, address and music notebooks as well as the other Moleskine formats: Passions, Cahier and Diary/Planner in the 5.25 x 8.25 inch size.

We offer lined Moleskine brand fillers for sale on our website. Click Here.

Otherwise... There are a variety of Moleskine Brand and similar style notebooks available online and in stores.

Filler Inserts for Large Notebooks

LARGE NOTEBOOK SIZE GUIDE

For notebooks 5.25 x 8.25 inches. *Smaller than A5. An A5 notebook will not fit the Large Notebook Cover.
Note the difference! CLICK HERE for a detailed comparison of the Large Journal and the Large Notebook Covers.

OUR FAVORITE OPTIONS

Moleskine notebooks in the 5.25 x 8.25 inch format.
Planners, address books, calendars, lined, grid, blank, themed journals and other formats.
Evernote Smart Notebook by Moleskine - (large size 5.1 x 8.5) A perfect marriage of tech and artisanal craftsmanship.
Moleskine Passion Journals - These themed notebooks, in combination with an Oberon Large Notebook Cover make an amazing gift for the enthusiast in your life. Wedding, Wine, Recipe, Garden, Travel, Restaurant, Books, Film, Music, Chocolate, Beer, Home Life, Wellness, Baby, Pet and more.

CUSTOMER RECOMMENDATIONS

‣ Northbooks - Ruled, Dot Grid & Blank. 5 x 8 inches / 12.7 x 20 cm

Do you know of others? Let us know! Send a photo! We will add them to this page.

Pocket Notebooks

A very popular, portable size. There are many options out there for our Pocket Notebook Covers.

We offer a lined Moleskine brand Pocket Notebook filler on our website. Click Here.

Otherwise check the details below for size information and notebook recommendations.

Filler Inserts for Pocket Notebooks

POCKET NOTEBOOK SIZE GUIDE

For notebooks up to 3.5 x 5.55 inches / 9 x 14 cm.

OUR FAVORITE OPTIONS

Moleskine Pocket Notebooks 3.5 x 5.5 inches / 9 x 14 cm. - Available as Planners, Address Books, Calendars and other formats.
Field Notes 3.5 x 5.5 inches / 9 x 14 cm. - Available in multiple formats. You can fit two or three of these thin little memo books in our Pocket Notebook Covers.
Rhodia Pocket Webnotebook 3.5 x 5.5 inches / 9 x 14 cm. Ruled, blank, dot grid formats available. A good choice for fountain pen users.

CUSTOMER RECOMMENDATIONS

Do you know of others? Let us know! Send a photo! We will add them to this page.

Small Journals

The petit version of our Large Journals, our Small Journals come with a blank hardbound book insert. Inside you'll find a lined template sheet with bold lines which are visible when the template is slipped behind a blank page to help with straight lined writing. To purchase an Oberon Design book refill Click Here. Otherwise...

Filler Inserts for Small Journals

SMALL JOURNAL SIZE GUIDE

For notebooks up to 4.25 x 6.25 x 0.75 inches.

OUR FAVORITE OPTIONS

Pentalic Traveler Pocket Journal

CUSTOMER RECOMMENDATIONS

Do you know of others? Let us know! Send a photo! We will add them to this page.

Composition Notebooks

The cover fits any standard 9.75 x 7.5 inch composition notebook and comes with an 'old school' composition notebook included with your purchase.

Otherwise... if you are wanting to elevate your composition, consider one of the many refill options available in this oh so ubiquitous size notebook.

See our size guide and recommendations below.

Filler Inserts for Composition Notebook Covers

COMPOSITION NOTEBOOK SIZE GUIDE

For standard composition size notebooks 9.75 x 7.5 inches

OUR FAVORITE OPTIONS

‣ Moleskine XL Cahier Notebooks: 19 x 25 cm / 7.5 x 9.75 inches format. (Not for the 'Classic' format)

‣ Rhodia Cahier - Soft cover, 12 x 25 cm / 7.5 x 9.8 inches

CUSTOMER RECOMMENDATIONS

This cover fit a Bible, dimensions 9 5/8 x 7 x 2 inches!

Do you know of others? Let us know! Send a photo! We will add them to this page.