on saleTWSBI Sapphire Blue - Ink Cartridges

Product Code TW-M2531230

In Stock

out of stock

on saleTWSBI Sapphire Blue - Ink Cartridges

Product Code TW-M2531230

In Stock

out of stock

$6.00

Set of 10 TWSBI Sapphire Blue ink cartridges.

These ink cartridges are made to fit the TWSBI SWIPE fountain pen. Our experience has found that they do not fit in other pens, because they are a bit longer and wider than a typical standard international size.

Condition
New
Brand
TWSBI
Type
Ink Cartridges
Color
Blue
Max Ink Capacity - Cartridge

The maximum volume of ink that can fit in the pen when using a cartridge.

0.71ml
Cartridge Type
Proprietary
Number of Cartridges
Fast Drying
No
Fluorescent
No
Shimmer

Whether or not the ink contains glittery particles.

No
Freeze Resistant

Whether or not an ink is specially formulated to better withstand freezing temperatures.

No
Iron Gall

Ink made from iron salts and tannic acids. Though quite permanent and waterproof, these inks are typically known for causing chemical corrosion to metal pen parts (especially the nib) and should be used sparingly or with less-valuable pens.

No
Lubricated

Whether or not an ink is specially formulated to increase flow in your pen.

No
Pigmented

Whether or not the ink contains finely-ground solid particles in liquid suspension.

No
Scented
No
Water Resistant

Whether or not the ink, once dried on the paper, will resist being washed away with water.

No

Customer Reviews

Based on 1 review
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T
Terence G.F.
Another Quality TWSBI Fountain Pen Ink Color

These TWSBI fountain pen ink cartridges are on the large size, a good volume of ink. The quality of the material seems to be on the top shelf. The color is bright and has a nice look to it.An added benefit is the hard shell case they come in, nice for traveling.

FAQ about Ink Cartridges

What fountain pens are compatible with ink cartridges? 8EDA1617-F73A-4DAF-8245-6D2BF4ABEB7B

There are two main groups of ink cartridges: standard international (available in short and long sizes), and proprietary (which only fit that particular brand). You can read which cartridges fit a given fountain pen in that pen's product description or Tech Specs.

You can also check out our Cartridge/Converter guide for general brand guidance if you’re unsure.

To locate pens that fit each size of ink cartridges, click here:

How do I install an ink cartridge? 8EDA1617-F73A-4DAF-8245-6D2BF4ABEB7B

We've got a great blog post on this topic: How to Install an Ink Cartridge.

Or, just watch the video here!

Can I refill an ink cartridge? 8EDA1617-F73A-4DAF-8245-6D2BF4ABEB7B

Yes! You'll need an ink syringe, but it's pretty easy to do. We've got a detailed video blog post here: How to Refill a Fountain Pen Ink Cartridge.

Or here's a quick version of the video:

Do ink cartridges generally write more dry than bottled ink? 8EDA1617-F73A-4DAF-8245-6D2BF4ABEB7B

Yes, they do.

What's your return policy for ink cartridges? 8EDA1617-F73A-4DAF-8245-6D2BF4ABEB7B

We do not accept returns for ink that has been used. Otherwise, we accept returns on unused ink products for up to 30 days from purchase. You can read all our Return Policies here.

To initiate a return, please submit a request at the Return Portal. Our Customer Care team might reach out to you for more information.