{"product_id":"twsbi-eco-purple-piston-fountain-pen","title":"TWSBI ECO Purple Piston Fountain Pen","description":"\u003ch2\u003ePrecision Engineering Meets Vibrant Demonstrator Aesthetics\u003c\/h2\u003e\n\u003cp\u003eThe TWSBI ECO in Purple combines an integrated internal piston filling mechanism with a transparent high-grade resin barrel, letting you admire your favorite fountain pen inks in motion. Designed for both dedicated journaling enthusiasts and executive gifting, this edition pairs a refined aluminum grip section with a crystal-clear reservoir, offering exceptional ergonomics, balance, and unmatched ink capacity for uninterrupted writing sessions.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Piston Mechanism:\u003c\/strong\u003e Effortlessly draws bottled ink directly into the barrel without cartridges or converters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Resin Demonstrator Body:\u003c\/strong\u003e Lightweight, shatter-resistant resin showcases ink levels and vivid shading pigments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eErgonomic Aluminum Grip:\u003c\/strong\u003e Precision-machined aluminum grip provides tactile control, optimal balance, and fatigue-free writing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenerous Ink Reservoir:\u003c\/strong\u003e High-capacity chamber holds substantially more ink than conventional cartridge systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArtisanal Precision Nib:\u003c\/strong\u003e Finely crafted stainless steel nib delivers consistent ink flow, responsive feedback, and silky smooth strokes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e TWSBI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e ECO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Purple \/ Clear Demonstrator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Premium Resin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrip Section:\u003c\/strong\u003e Machined Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilling System:\u003c\/strong\u003e Built-in Piston Filling Mechanism\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded Accessories:\u003c\/strong\u003e Disassembly Wrench \u0026amp; Silicone Grease\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n  \u003cdt\u003e\u003cstrong\u003eHow do I fill the TWSBI ECO with bottled ink?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eSubmerge the nib into your chosen ink bottle, twist the piston end knob counterclockwise to lower the internal plunger, and then twist it clockwise to draw ink up into the high-capacity barrel. Wipe the nib and grip clean with a soft cloth.\u003c\/dd\u003e\n  \u003cdt\u003e\u003cstrong\u003eDoes the pen come with maintenance tools?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eYes, every TWSBI ECO package includes an authentic disassembly wrench and silicone grease for long-term piston seal maintenance and thorough servicing.\u003c\/dd\u003e\n  \u003cdt\u003e\u003cstrong\u003eWhat is your customer support and cancellation policy?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eInquiries are processed after order placement via our support team at szjyf@outlook.com. Full refunds are available upon request at any point before order shipment is confirmed.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"TWSBI","offers":[{"title":"EF","offer_id":68977382293538,"sku":"TWSBI-FP-ECO-PUR-1","price":66.0,"currency_code":"USD","in_stock":true},{"title":"F","offer_id":68977382326306,"sku":"TWSBI-FP-ECO-PUR-2","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/IMG_20261020_112422.jpg?v=1792467792","url":"https:\/\/www.xypen.com\/products\/twsbi-eco-purple-piston-fountain-pen","provider":"XYPen","version":"1.0","type":"link"}