Lava rock is a functional kind of environmental protection material.It is a kind of precious and polyporous stone, and formed by volcanic glass ,mineral and air bubble in the process of volcanic eruption. It contains sodium, magnesium, aluminum, silicon, calcium, titanium, manganese, iron, nickel, cobalt, molybdenum, and other dozens of minerals and trace elements.
Features of lava rock
1. No radiation , no toxic, totally natural.
2. It has far infrared magnetic wave, benefit to human health.