I have stored these for a long time and haven't used them. They are unused. 【High-Quality Recording】 SONY HF 60 cassette tapes achieve excellent sound quality recording. They are designed to maximize the appeal of analog recording. 【Set of 4】 This product is sold as a set of 4. It can be used for multiple recording purposes, making it ideal for music production and voice recording. 【Versatile】 Suitable for use with home audio equipment and cassette decks, and is useful in various recording scenarios. - Brand: SONY - Model: HF 60 - Quantity: Set of 4 - Application: Recording cassette tapes - Length: 60 minutes Thank you for viewing.