Starline’s salt tiles and bricks can be used to build Salt Cave for Speleotherapy, spa, gyms and yoga rooms and to decorate receptions and fireplaces as well. Speleotherapy means to be located in a room or area with a presence of Salt Crystal Rocks and to breath the healthful Ionized air. Speleotherapy is a natural health alternative treatment for asthma, respiratory conditions, immune system disorder and illnesses, used extensively in Hungary, Ukraine, Poland, Czech Rep. and Armenia.