One cassette. 42 mins. each side. The average diet lasts less than 72 hs. Diets do not work without personal commitment. Repeated laying of this tape could strengthen your desire, determination & willpower to effect a spectaular change now. Barre Konicov, a professional hypnotist & Chairman of the Board of Potentials Unlimited, has created over 160 self-hypnosis tapes to assist you in changing, modifying & improving your life.