This Posture Corrector Belt is a magnet therapy vest design rely on mechanics principle.The far infrared health care magnets are arranged in the product in the position of cervical and lumbar vertebrae   in order to promote blood circulation   eliminate back pain and shoulder acid    prevent the distortion of the spine and it benefits to the prevention of teenager habitual humpback.<br /><br />Features:<br />1. 100% Brand new and high quality <br />2. Ease back pain with 12 placed magnets target the spine and lumbar region <br />3. Help you stand taller and straighter to make you look better and feel younger <br />4. Sporting design helps you correct harmful posture <br />5. No restricting   unisex design for man and woman <br />6. Have different sizes for both children and adults<br />7. Comfortable and light to wear underneath clothes   with no discomfort or visibility<br />8. Suitable for working   walking   exercising and relaxing <br /><br />Specifications:<br />1. Size :(suit for under the chest circumference)(1 inch=2.54cm)<br />S : 56-71cm  (strap is adjustable)<br />M : 60-75cm  (strap is adjustable)<br />L : 65-80cm  (strap is adjustable)<br />XL : 70-85cm (strap is adjustable)<br />The size is  for reference only because the belt is resilient<br /><br />2.Color: white<br />3.Body Shield material ensures maximum breathability<br />4.Material:Polyester+Spandex<br /><br />How to use:<br />1. Pull shoulder straps over shoulders making sure that