Buy from Amazon.com : http://fave.co/1FUqXub <br /><br />TDK D120 Dynamic Audio Cassette Tapes - 10 Pack<br /><br />Product Description : <br />Normal bias recording tape is optimized for excellent voice recording for lectures classes and dictation <br />Low noise surface helps provide an excellent signal-noise ratio for high-quality playback performance <br />Each audio cassette has a 120 minute total recording capacity or up to 60 minutes per side
