specifications: <br />Size: L -Waist: 84CM， L * W: 27 * 20CM (elastic strap is adjustable The error about 3 cm) <br />      XL  -Waist: 94CM， L * W: 27 * 20.5CM (The elastic strap is adjustable error about 3 cm) <br /><br />Color: White <br />Material: polyester， latex and PVC <br />Package included: 1 x Back Brace Elastic Belt <br /> <br />Features: <br />1.Mainly rely on mechanics principle; <br />2.Far infrared health shift and magnetic massage head in cervical and lumbar region; <br />3.Promote blood circulation， eliminate back and shoulder pain， Prevent rachis deformation Keep people stay in good shape Prevent adolescents ordinary included thoracic kyphosis. <br />4.Easy to use and comfortable， elastic， Magic Tape.<br /><br />Best choice for you.<br />We guarantee the style is the same as shown in the pictures. Thank you and happy purchase!