Passer au contenu

Fountain Pen Ink Cartridges 4 Piece Blue Black

UGC 4550344596913


Please note that adding any item that is out of stock in your nearest MUJI location to your cart would not allow you to process checkout for shipping and pickup.

*This item is only available for shipping from Spring to Early Fall due to the possibility of the ink cartridge exploding in cold temperatures. 

This refill can be used with our Round Aluminum Fountain Pen . Includes 4 cartridges.

How to replace the cartridge: Remove the cap, rotate the lower shaft counterclockwise to remove it, and pull out the ink cartridge while turning it. Insert the stainless steel ball side of the ink cartridge from below with the pen tip facing up.


Product Details


  • Body: PE Resin

    Country of Origin: Japan