{"product_id":"erasable-blue-ink-fountain-pen-cartridge-refills-12-pack","title":"12-Pack Erasable Blue Ink Fountain Pen Cartridge Refills","description":"\u003cp\u003eKeep your fountain pen writing smoothly with this \u003cstrong\u003e12-Pack Erasable Blue Ink Fountain Pen Cartridge Refills\u003c\/strong\u003e from Qme. Designed for everyday writing, sketching, journaling, and schoolwork, these refillable ink sac cartridges deliver a consistent, clean flow every time you put pen to paper. The erasable blue ink lets you correct mistakes with ease — no white-out needed — making them ideal for students, professionals, and creative writers alike.\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love These Fountain Pen Ink Cartridges\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eErasable Ink Formula:\u003c\/strong\u003e Mistakes happen — erase them cleanly without smudging or tearing your paper.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12 Cartridges Per Pack:\u003c\/strong\u003e Keep a generous supply on hand for school, the office, or your creative studio.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVibrant Blue Ink:\u003c\/strong\u003e A rich, classic blue shade that looks professional on any document or notebook.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefillable Sac Design:\u003c\/strong\u003e Compatible with standard fountain pen cartridge slots for easy, mess-free refilling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Perfect for writing, drawing, note-taking, calligraphy practice, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreat for All Ages:\u003c\/strong\u003e Suitable for students, teachers, artists, and everyday writers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 12 cartridges per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk Color:\u003c\/strong\u003e Erasable Blue\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk Type:\u003c\/strong\u003e Erasable, water-based\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Standard fountain pen cartridge format\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTip Size:\u003c\/strong\u003e 3–4mm refillable sac\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal For:\u003c\/strong\u003e Writing, drawing, school, office, crafts, calligraphy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Qme\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eWhether you're a student tackling homework, a professional taking notes in meetings, or a creative journaling your thoughts, these erasable fountain pen cartridge refills make the perfect everyday companion. They also make a thoughtful gift for any pen enthusiast or stationery lover in your life.\u003c\/p\u003e\n\n\u003cp\u003eFor more information on safe and responsible use of writing materials in educational settings, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What fountain pens are these erasable ink cartridges compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: These Qme erasable blue ink sac cartridges are designed to fit standard fountain pens that use a cartridge-style refill system. We recommend checking your pen's cartridge slot dimensions (3–4mm sac) before purchasing to ensure a proper fit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the erasable ink work in these fountain pen cartridges?\u003c\/h4\u003e\n\u003cp\u003eA: The erasable blue ink uses a water-based formula that can be cleanly removed with a standard eraser. This makes it easy to correct writing mistakes without damaging your paper — ideal for students, planners, and anyone who values precision in their writing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many cartridges come in one pack?\u003c\/h4\u003e\n\u003cp\u003eA: Each pack contains 12 erasable blue ink fountain pen cartridge refills, giving you a reliable supply for school, office use, drawing, and everyday writing projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these cartridges refillable?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — these are designed as refillable sac cartridges, making them a practical and economical choice for fountain pen users who want to keep their favorite pen in use longer.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What fountain pens are these erasable ink cartridges compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These Qme erasable blue ink sac cartridges are designed to fit standard fountain pens that use a cartridge-style refill system. 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