Basalt Hot Stone Massage Kit - 60 PiecesFormed from the remnants of volcanic eruptions, basalt is the ideal stone type for a top quality hot stone massage thanks to their heat retention. This hot stone massage kit comes with a wide variety of basalt massage stones in various shapes and sizes to allow for an authentic, customizable experience that your clients will remember for a long time! Hot stone therapy kits are ideal for improving circulation, providing relaxation, and offering relief