Detailed Product Description Kangzhu far-infrared headcare pillow was made of advanced composite turmaline materials ... fine workmanship.*Dry & comfortable, soft & breathable,and perspiration absorption.*Active molecule activity and regulate autonomic nervous system.*Avant-grade concept ... is made of 100% cotton, anion and far-infrared coated cloth.*Far-infrared wavelength is between 8μm and 15μm, the ...