The gel pen refills from Bic are a practical solution for anyone looking to equip their writing instruments with high-quality replacement cartridges. These gel refills feature a fine line thickness of 0.35 mm, allowing for precise and clear lines. The blue ink color ensures pleasant readability and is ideal for notes, drawings, or creative projects. The refills are available in a set of two, ensuring efficient use and extended writing enjoyment. Made in Japan, these gel refills offer reliable quality and consistent ink flow. They are compatible with various gel pens, allowing for effortless writing without interruptions. Using gel refills provides a smooth and fluid writing experience, suitable for both everyday use and special occasions. These replacement cartridges are a valuable addition to any desk and offer an easy way to maintain the functionality of your gel pens.