Sony C-90HFL High Fidelity Normal Bias 90 Minute Audio Cassette (10 Pack)

The C-90HFL High Fidelity Normal Bias 90 Minute Audio Cassette (10 Pack) from Sony is an ideal solution for general-purpose music and voice recordings. Each cassette records up to 90 minutes of audio and has a durable see-through shell so you can visually gauge how much tape is left.