Because of the back support, the linear posture correction improves the bad posture and achieves a clear upright posture of the back and shoulders in a short time. Unlike other belts, you do not need any additional materials and additional adjustments The size of the shoulder bandage is freely adjustable, suitable for all chest sizes. Convenient design, breathable shoulder straps can be machine washed. Working at a desk for a long time increases the pressure on our back muscles and the activity of the back muscles is severely restricted. The product is made of high-quality, light and breathable materials. Two detachable ultra-soft pads can be adjusted on shoulders and forearmsProduct Description Features: 1. Double Y crosses are ergonomic, open the shoulders and correct the hump; 2. Memory fiberboard, strong waist support, relieve fatigue; 3. The shoulder wrap design forms a point-to-surface protective mesh that conforms to the shoulder curve and is comfortable to wear. 4. Breathable mesh fabric, lightweight and breathable, not stuffy and sweaty; Product suitable waist circumference: 84-103cm; Product suitable height: 160-180cm;&nbsp ; Suitable weight for the product: 75-80 kg; Product features: 1. Correct poor posture; 2. Improve the distance between the eyes. 3. Relieve body fatigue; Instructions for use: 1. Stretch your arms, get a good back and adjust the shoulder straps to a suitable position; 2. Pull it down and flatten it, adjust the position of stomach and waist, and stick the hairy belly hook. 3. Stretch the end of the double Y-cross strap towards the stomach, adjust the tension properly and connect. 4. Straighten your shoulders after wearing Product Description Features: 1. Double Y crosses are ergonomic, open the shoulders and correct the hump; 2. Memory fiberboard, strong waist support, relieve fatigue; 3. The shoulder wrap design forms a point-to-surface protective mesh that conforms to the shoulder curve and is comfortable to wear. 4. Breathable mesh fabric, lightweight and breathable, not stuffy and sweaty; Product suitable waist circumference: 84-103cm; Product suitable height: 160-180cm;&nbsp ; Suitable weight for the product: 75-80 kg; Product features: 1. Correct poor posture; 2. Improve the distance between the eyes. 3. Relieve body fatigue; Instructions for use: 1. Stretch your arms, get a good back and adjust the shoulder straps to a suitable position; 2. Pull it down and flatten it, adjust the position of stomach and waist, and stick the hairy belly hook. 3. Stretch the end of the double Y-cross strap towards the stomach, adjust the tension properly and connect. 4. Straighten your shoulders after wearing