Elegant black obsidian massage stone packaged in a chic black metal tin, is suitable for use with the traditional Chinese massage technique Gua Sha. The heart-shaped stone with its curved shape fits perfectly to the corresponding areas of the body and face. The massage gives you a toning and decongestant effect. Cooled in the refrigerator, the stone provides a real boost of freshness during a massage! The stone as well as the metal box provide an ideal advertising space for your logo.