The product is a set of 3 TDK D90 audio cassettes with a capacity of 90 minutes each. These cassette tapes are IECI/Type I and feature high output, making them ideal for recording and playing back audio. The TDK brand ensures quality and reliability, while the recordable feature allows for customization and creativity in your audio recording projects. Perfect for audiophiles and music enthusiasts looking to capture and replay their favorite melodies with clarity and precision.