LEAMAI posture correction brace, it has the newest technology, patents, FDA certification, special design. You can wear it by yourself, it is also convenient to use and adjust. Support your back comfortably, bring you a healthy lifestyle. Features: Designed to help return spine to natural alignment and assists in conditions such as bad computer posture and hunchback. Ease the pain of middle and upper back, prevent the progressive spinal curvature and change the bad habits of kyphosis. The cushioned straps pull your shoulders back while our waist band supports the middle and lower back. Comfortable and durable fabric -30% nylon & 70% polyester fiber, fits to your body and will not pitch or irritate your skin. Adjustable and unisex size, 3 sizes for you to choose based on your waistline. The shoulders and waist can be adjusted, easy to decide the degree of tightness. Specifications: Material: 30% nylon & 70% polyester fiber Type: H-55 Color: Black Package size: 50*23.5*4cm/19.6*9.2*1.5inch Package weight: 716g/25oz Size Chart: S: 75cm*24cm (suitable for waist 74-91cm) M: 110 cm*51cm (suitable for waist 91-110cm) L: 131cm*51cm (suitable for waist 110-128cm) Note: 1.Please do not touch skin directly. 2.Adjust the degree based on your needs. Package List: 1* Posture Correction Belt 1*Product Manual