Features: This Posture Corrector Design has 12 high gauss bipolar neodymium health magnets incorporated within the neoprene material to provide heat across the back even the resulting heat produced can aid back muscle spasms and paid due to herniated disc and spinal stenosis. The support has strong compression to stabilize the back, this is provided by the double pull system. This is the recommended treatment by sports therapists to restore normal movement. excellent for aching pains and slouching shoulders Excellent for slumped shoulders, hypnosis, curvature of spine (scoliosis), osteoporosis and aids indigestion and bowel problems.Excellent Posture Corrector Back support for pain relief with outstanding value Sporting activities or every day routine use recovery after back injury or surgery lifting activities Lightweight for easy movement Incorporated pull mechanism braces Unique elastic strap provides additional support for spine alignment and neck straightening Prevent teens from having habitual chest hunchbacks and bending over Recommended by Doctors, physiotherapists and Sports Trainers Magnetic Posture Corrector Uses: Sciatica Herniated disc problems Sacroiliac joint dysfunction Spinal Stenosis Lumbago Back Pain For Posture correction Specifications: Material: Neoprene Includes 12x High Strength Magnets Measure around your stomach around the belly button for good fit. Medium for upper waist 23-32 inches and bust 27-39 inches Large for upper waist 33-41 inches and bust 31-43 inches X-large for upper waist 38-50 inches and bust 43-55 inches