1. imported fur 2. Magnetic stones 3. Ceramic powder 4 ... ,suede fleece microcrystal coating,12 magnets Functions: 1) Release Far-infrared wave with wave length of 4-14 um, to ... improve immunity. Suitable For1)Patients with Lumbar muscle strain, waist gout, etc.2)People with Algomenorrhea, renal deficiency, disharmony between ... waist 4)People who want to lose weight. Thermal and magnetic lumbar support