The title compound, C18H18O2S2, which lies on an inversion center, adopts a gauche (+)-trans-trans-trans-gauche (-) (g (+) tttg (-)) conformation in the S-CH2-CH2-CH2-CH2-S bond sequence. In the crystal, mol-ecules are packed in a herringbone arrangement through inter-molecular C-H⋯π inter-actions.