Increase Circulation, Vasodilation of Blood Vessels, Providing Important Energies, Increases cell Metabolism, Increase Pulse, Deep relaxation of muscles. 100% Natural Black Basalt, No Wax, No Dyestuff, No Chemicals, No Radiation. Packed with a Natural Bamboo Box. Total Hand Shaped, High Standard, 172 hours, Water Polishing Technology Makes Sure It Has Even and Smooth Surfaces. Code: 453216
