The product is a cassette tape featuring two classic albums by Black Sabbath, "Paranoid" and "Heaven and Hell," released in 1980 under Warner Bros. The tape allows fans to enjoy the heavy metal and metal genres from the 1970s and 1980s, with a total run time of 34 minutes. This "Two on One" cassette tape is a must-have for any Black Sabbath or Ozzy Osbourne fan looking to enjoy some of the band's seminal work from the comfort of their own cassette player.