Naturally relaxing Sport Spa Dead Sea Mineral Bath Salts, 2 lb. jar. Sport Spa contains Rosemary & Ginger which relieve muscle aches. Masada Dead Sea Mineral Salts are concentrated with beneficial minerals that work to detoxify the body, stimulate circulation, ease aching muscles and joints, soften the skin, and provide deep relaxation. Masada salts have been physician recommended for over 25 years. User-friendly unbreakable jar.