Precision Manufacturing Process -- Blank cassette tapes are made with precision parts and are manufactured in strict accordance with process procedures, meeting strict tolerances. Each cassette 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). 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. Blank cassette tapes for recording /b (pack of five) br br i Normal Position Type I Designed for Voice Recording /b /i -- The Blank DATs Cassette tapes have low noise surface which provides a suitable media for music and voice recording. br i Precision Shell and Parts /b /i -- All parts are built to meet strict tolerances.Fine craftsmanship ensure data security90 Min. br i Recording Time /b /i -- Each tape provides 90 minutes of recording(45 minutes/side) and comes with a seprate protective case. br i Suitable for a variety of machines /b /i -- Excellent for personal and portable cassette players/recorders/tape decks/cassette boombox and car setreo system.