Thank you for viewing. This is a set of two packs of 5 PILOT blue-black ink cartridges, high-quality ink. - Brand: PILOT - Color: Blue Black - Quantity: 5 cartridges per pack - Model: IRF-55-BB *To avoid any issues, please take a moment to read my profile before purchasing. The price includes both commission fees and shipping costs. Please understand that this item is stored at home by a private seller. Thank you for your consideration. Feel free to ask any questions you may have. If you have read the profile and product description and have no concerns, you are welcome to purchase directly. Thank you for your understanding.