The product is a set of three new Sony DGD125P Premium 125P data cartridges. These cartridges have a capacity of 12GB and can hold up to 125 MB of data. With a length of 410 feet, these cartridges are designed for high-quality data storage and retrieval. Sony is a trusted brand known for producing reliable and durable media products, making these data cartridges a great choice for maintaining and backing up important data.