PILOT Fude Pen Soft Brush, Water-Resistant Pigment Ink, Set of 4 Currently, they write without problems, but these are items for long-term storage. Please understand this before purchasing. ⭐Requests (*ᵕ ᵕ)"⭐ I, Arale-chan, am taking the utmost care to ensure that buyers have a pleasant shopping experience, but I am an amateur, so I may not be able to provide the perfect support and follow-up system like a professional shop. I am studying every day to reduce any troubles caused by my amateur status. If you have any concerns, please feel free to comment (⁎ᴗ͈ˬᴗ͈⁎) ✼┈┈┈┈••✼⭐✼••┈┈┈┈••✼ Thank you for your interest in Arale-chan's products. I will strive for prompt and courteous service, so please consider purchasing (*ᵕ ᵕ)"