... anions from Tourmanium. 2.factory with high quality and low Tourmaline Neck Pillow, designed to emit far infrared rays and anions ... from Tourmanium, the mixture of tourmaline, germanium, elvan, and volcanic rocks. This pillow adopts 49pcs of ... tourmaline stonesTourmaline emits about 2.5~13.5micron of infrared rays ...