4 sealed 1 unsealed but new. The product is a set of 5 SONY LTO Ultrium 3 data tape cartridges with a capacity of 800GB each. These new, factory-sealed cartridges are designed for high-quality data storage and backup. Made by the trusted brand Sony, these cartridges provide reliable and secure storage for important information. Perfect for businesses or individuals looking to ensure data protection and easy retrieval, these data tape cartridges offer a safe and efficient way to store large amounts of data.