Experience the smooth flow of black ink with the Cross Fountain Pen Ink Cartridge, designed to provide a consistent and satisfying writing experience. The blue-black ink color offers a bold and striking contrast, perfect for those who appreciate a dramatic line when penning their thoughts or signing important documents. Each cartridge is meticulously crafted to fit a range of Cross fountain pens, ensuring a perfect match for your writing needs. The package includes six ink cartridges, allowing for ample usage before needing to restock. With a lightweight design at just 0.02 pounds and a compact size, these ink cartridges are a practical addition to any writer's essentials.