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Uncategorized · Fountain

TWSBI Eco Fountain Pen - Cosmo - Onyx Trim

TWSBI · sold by Pen Boutique Ltd · $58.99 · in stock

TWSBI Eco Fountain Pen - Cosmo -  Onyx Trim

Watch Instagram Story I A Radiant Twist on a Beloved Everyday Writer The TWSBI Eco Cosmo elevates the classic Eco silhouette with a playful, luminous charm. Its crystal-clear resin barrel beautifully showcases your ink as it moves, while the Cosmo blue cap and finial softly glow to create a subtle cosmic effect in low light. Paired with a sleek onyx trim and a smooth-performing steel nib, this pen blends durability, style, and everyday practicality in one thoughtful design. The piston-filling mechanism offers impressive ink capacity, and the inner-cap seal keeps the nib ready whenever…

OptionPriceStock
Extra Fine$58.99out of stock
Fine$58.99out of stock
Medium$58.99out of stock
Broad$58.99in stockBuy at Pen Boutique Ltd →
Stub$58.99in stockBuy at Pen Boutique Ltd →

Prices and stock from www.penboutique.com’s public catalog, last checked 2026-11-01 04:47 UTC; the store’s checkout shows the final price. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:ed594cf5-551f-48b8-a952-6eec74bf7861; buy with POST /v1/checkout or MCP create_checkout.