Precision Manufacturing Process -- Blank recording tapes are made with precision parts and are manufactured in strict accordance with process procedures, meeting strict tolerances. Each tape comes with a separate transparent protective casing. | Designed for Recording -- With a low noise surface, it is perfect for everyday recording. Lectures, seminar recordings. Suitable media for music and recordings. On Mother's Day, Father's Day, Thanksgiving, Valentine's Day, it makes sense to give as a special gift to others. | 90 Minutes Recording Time -- One blank voice recording tapes can be recorded for 90 minutes (45 minutes per side). A pack of 5 audio tapes. Sufficient recording time. | Suitable for Various Equipment -- Perfect for portable cassette players, tape recorders, voice recorders, cassette speakers and car audio systems. | Cleaning Tapes -- The tape head has a cleaning tape, which is automatically cleared at the beginning and end.