TWSBI ECO Transparent Blue Fountain Pen

The TWSBI ECO Transparent Blue Fountain Pen is a piston-filling fountain pen featuring a transparent blue cap and barrel, allowing users to view the ink level. It is manufactured by TWSBI Co., Ltd., a Taiwanese company renowned for its high-quality writing instruments. The pen is produced in multiple countries, including Taiwan and China, reflecting TWSBI's global manufacturing operations. TWSBI Co., Ltd. remains the ultimate owner of the brand, maintaining its headquarters in Taiwan. The pen is available in various nib sizes, including Extra Fine, Fine, Medium, Broad, and Stub 1.1mm, catering to different writing preferences. The transparent design not only showcases the ink level but also highlights the pen's internal piston-filling mechanism, appealing to fountain pen enthusiasts who appreciate both functionality and aesthetics.