Our Magnetic Therapy Body Wrap with One Dynamic Core Pad (4" X 4") Constructed with 12 Neodymium magnets. Designed with you in mind knowing we all have some back pain discomfort. The benefits of Magnetic Therapy forces reaches deep into your lower back pain, hip or torso to help relieve discomfort. Excellent for golfers as a mini back support. Place removable Dynamic Core Pad over any muscle or joint discomfort to increase blood flow. The wrap can be concealed under your clothing. Size 3" X 48"