{"product_id":"boston-lore-black-international-ink-cartridges-6-pack","title":"Boston Lore Studio Black International Ink Cartridges — 6 Pack","description":"\u003cp\u003eSix international-format fountain pen ink cartridges, assembled by Boston Lore Studio and enclosed in a translucent glassine envelope. Their elongated bodies hold more ink than the compact Kaweco-branded short cartridges while preserving the familiar pierced-cartridge convenience.\u003c\/p\u003e\u003cp\u003eBoston Lore Studio has tested this cartridge format with the \u003ca href=\"\/products\/brass-pocket-fountain-pen\"\u003eBrass Pocket Fountain Pen\u003c\/a\u003e and the Kaweco Sport. Because barrel clearance varies among pens, compatibility beyond those tested models cannot be guaranteed; compare the available interior length before use.\u003c\/p\u003e\u003cp\u003eThe black ink provides a clear, conventional line for letters, notes, and everyday records—six cartridges kept together in a simple archival-style packet.\u003c\/p\u003e\u003ch3\u003eDetails\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6 black fountain pen ink cartridges\u003c\/li\u003e\n\u003cli\u003eInternational-format cartridge connection\u003c\/li\u003e\n\u003cli\u003eLonger, higher-capacity body than Kaweco short cartridges\u003c\/li\u003e\n\u003cli\u003eTested with Kaweco Sport and Boston Lore Studio Brass Pocket Fountain Pen\u003c\/li\u003e\n\u003cli\u003ePresented in a Boston Lore Studio glassine envelope\u003c\/li\u003e\n\u003cli\u003eSingle-use cartridges; do not ingest\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Boston Lore Studio","offers":[{"title":"Default Title","offer_id":49175521001697,"sku":"BLS-CART-BLACK-6","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/boston-lore-black-short-international-ink-cartridges-6-pack.jpg?v=1789924736","url":"https:\/\/bostonlore.com\/products\/boston-lore-black-international-ink-cartridges-6-pack","provider":"Boston Lore Studio","version":"1.0","type":"link"}