bio magnetic knee support 1)fiber string with magnet,ion & fir 2)medical care wrist support 3)OEM Item :bio magnetic knee supportbio magnet wrist support elbow support knee supportbio magnet knee support elbow support leg support SpecificationItem NO. TPBC003Material Fiber string with magnet ,ion & firEnergy Ion , infrared ,with magnet Packing 1pair/pp bag , (or as your request)MOQ 500pcsColor ...