Your coming is my pleasure Magnetic Therapy Neck Spontaneous Heating Headache Belt Neck Massager Material :Magnets of knitted fabric Colour:Black High elastic belt,soft senior leather cloth,good elastic,wear comfortable,paste and firm,changeless form Middle layer:inlaid high penetration 5Pcs permanent health magnet Innermost layer:adopts the most advanced technology condensate to energy reactor for the polymer composite negative ions far infrared fabric layer Release far-infrared wave with the wavelength of micron,to relieve tension,active collaterals and improve the microcirculation of human body Release anion to purify blood,to active cells and promote balancing of Body PH Protect the cervical, shoulder and vertebra inflammation, neck pain, tingling and other symptoms of cold Included 1 x Spontaneous Heating Magnetic Therapy Neck Protection