Feature 1Composed of knitting compound and tourmaline cloth, wear resistant, durable, high density. 2Exquisite workmanship and fine stitching, beautiful and elegant, ensure its good performance. 3Set hook&loop under the arm, adjust the length according to your needs, which give better care. 4Built-in 14 magnets, can help warm the neck and shoulder to relieve stress and eliminate fatigue. 5Built-in 14 magnets with dot distribution, can massage the shoulder to relieve stress and eliminate fatigue.SpecificationFeatures: Composed of knitting compound and tourmaline cloth, wear resistant, durable, high density. Exquisite workmanship and fine stitching, beautiful and elegant, ensure its good performance. Set hook&loop under the arm, adjust the length according to your needs, which give better care. With integrated warm foam, soft and elastic, make your shoulders feel hot. Built-in 14 magnets, can help warm the neck and shoulder to relieve stress and eliminate fatigue. Used to protect the health of the shoulders and neck, but also maintain a good posture. Specification: Material: Knitting compound+Hook&loop+Tourmaline Color: as picture shown Size Options: L(upper width*total width*height)-45*69*21.5cm/17.7*27.2*8.5in XL((upper width*total width*height))-49*75*22cm/19.3*29.5*8.7in Package Included: 1 x Shoulder Braces