{"product_id":"twsbi-eco-black-marble-with-bronze-fountain-pen","title":"TWSBI Eco Black Marble with Bronze Fountain pen","description":"\u003cp\u003eDiscover the perfect balance of style, value, and function with the TWSBI Eco Black Marble with Bronze Fountain Pen. Featuring a striking black and grey swirled resin body accented by warm bronze trims, this special edition Eco combines eye-catching design with the quality craftsmanship TWSBI is known for.\u003c\/p\u003e\n\u003cp\u003eBuilt with a transparent barrel, the Eco Black Marble allows users to see the piston filling system in action—providing a clear view of the ink level and creating a dynamic visual experience that changes with every ink color you use. The bold faceted cap and polished stainless steel nib engraved with the TWSBI logo further elevate the pen’s sleek, modern appeal.\u003c\/p\u003e\n\u003cp\u003eIdeal for both beginners and seasoned writers, the Eco’s piston-fill mechanism offers generous ink capacity and a smooth, consistent writing experience. Choose from a variety of nib sizes to suit your writing style.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpecial edition Black Marble color with elegant bronze trim\u003c\/li\u003e\n\u003cli\u003eTransparent barrel reveals ink level and piston mechanism\u003c\/li\u003e\n\u003cli\u003eFaceted cap with TWSBI logo for a bold, modern design\u003c\/li\u003e\n\u003cli\u003eStainless steel nib (multiple nib sizes available)\u003c\/li\u003e\n\u003cli\u003ePiston-filling system – no cartridges required\u003c\/li\u003e\n\u003cli\u003eExcellent value for everyday use or growing your fountain pen collection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're journaling, sketching, or taking notes, the TWSBI Eco Black Marble delivers dependable performance with artistic flair—making it a standout addition to any pen collection.\u003c\/p\u003e\n\u003cp\u003eTWSBI fountain pens can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each TWSBI fountain pen. Please note that the disassembly feature is only there for experienced users and is not necessary for daily use. Disassembly is at your own risk!\u003c\/p\u003e\n\u003cp\u003eWith a history of more than 40 years of manufacturing, including producing high-end pens for other brands, Ta Shin Precision decided to start selling under their own brand, TWSBI. The name TWSBI is made up from TWS and BI. ‘TWS’ is the reversed initials of the phrase ‘San Wen Tong’, translated Hall of Three Cultures, and ‘BI’ literally means writing instrument.\u003c\/p\u003e\n\u003cp\u003eLimited Stock - \u003c\/p\u003e\n\u003cdiv class=\"yiv1693103710gmail_default\"\u003e\u003cstrong\u003ePresale: Feb. 4th, 2026\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"yiv1693103710gmail_default\"\u003e\u003cb\u003eShip Date: Feb 6th, 2026\u003c\/b\u003e\u003c\/div\u003e\n\u003cp\u003e-----------\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA quick no brainer guide in choosing nib sizes in an overly complicated fountain pen world:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eIf you write small, go with an \u003cstrong\u003eExtra Fine.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFor the normal writer, \u003cstrong\u003eFine\u003c\/strong\u003e is the most popular.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIf you tend to lean on a bigger font, \u003cstrong\u003eMedium\u003c\/strong\u003e will be perfect.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBroad\u003c\/strong\u003e is for statements!! Sign a check in Broad, write a header in Broad, do some coloring\/shading in Broad.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eStub\u003c\/strong\u003e nibs are italic in writing style (great for writing in special cards or invitations).\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TWSBI","offers":[{"title":"Extra Fine","offer_id":45786347667646,"sku":"TW-M7441240 - Extra Fine","price":58.99,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":45786347700414,"sku":"TW-M7441250 - Fine","price":58.99,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":45786347733182,"sku":"TW-M7441260 - Medium","price":58.99,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":45786347765950,"sku":"TW-M7441270 - Broad","price":58.99,"currency_code":"USD","in_stock":true},{"title":"Stub 1.1","offer_id":45786347798718,"sku":"TW-M7441280 - Stub 1.1","price":58.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/7564\/2046\/files\/TWSBI-Eco-Black-Marble-with-Bronze-Fountain-pen-5.jpg?v=1768413095","url":"https:\/\/bertramsinkwell.mom\/products\/twsbi-eco-black-marble-with-bronze-fountain-pen","provider":"Bertram's Inkwell","version":"1.0","type":"link"}