TWSBI ECO Fountain Pen – Plum Onyx

Elegant, expressive, and engineered for everyday excellence — the TWSBI ECO Plum Onyx is a modern writer’s favourite. Its deep plum-toned resin body paired with transparent elements creates a beautiful contrast while revealing TWSBI’s iconic piston-filling mechanism inside.

Smooth, reliable, and incredibly comfortable, the ECO is the perfect upgrade for anyone looking for a high-capacity, high-performance fountain pen that delivers a consistently enjoyable writing experience.

Why You’ll Love It

• Unique Plum Onyx special-edition finish

• Trusted piston-filler mechanism with large ink capacity

• Clear ink window to track remaining ink

• Stainless steel nib for smooth, steady ink flow

• Perfectly balanced for long writing sessions

• Easy to maintain — designed for simple disassembly

• Sturdy build quality suitable for daily carry

• Fantastic value from one of the world’s most loved fountain pen brands

Specifications

• Brand: TWSBI

• Model: ECO – Plum Onyx

• Nib Material: Stainless Steel

• Filling System: Piston Filler

• Body Material: Resin with transparent elements

• Cap Type: Screw-on

• Ink Capacity: High-capacity piston reservoir

• Packaging: TWSBI gift box with wrench & silicone grease

Ideal For

• Students, professionals & journal lovers

• First-time premium fountain pen buyers

• Long writing sessions at work or home

• Everyday carry

• Gifting to pen enthusiasts

• Collectors of special ECO colours

Why Buy from Makoba

• Authorized TWSBI Retailer – 100% genuine, fresh import stock

• India’s Luxury Pen Specialists with 17+ years of expertise

• Curated Fountain Pen Collections handpicked for enthusiasts

• Fast, Secure Shipping Across India

• Premium Packaging ideal for gifting

• Dedicated Support from a team that actually knows pens

At Makoba, we don’t just sell pens — we help you find the one that inspires your best writing.