Basalt and quartzite massage stone set. one set include 25 pieces stones. The kit can be disassemble duo to some of our customer prefer select the stones form the set and change the quantity in their order. People keen on the important reasons stone massage, because of the energy and natural rock containing various minerals. It can not be replaced by any other material. use body heat to release energy stored in the rocks, Not only can the promotion of human metabolism, blood circulation, reduce fatigue. treatment of pain. is a rare treat. Some spa prefer hot stones combined with essential oils. This can be achieved better results.