Functions: Muscle pain relief The coronal and lumber section of the frontal plane maintains the gravity balance of the body, reduces the burden on the muscles, corrects and relieves pain, and bad postures would cause sore necks and shoulders, and even headaches The role of protection Wearing is comfortable and breathable, can be applicable to all including men and women, young and old, it can play a role in correcting the back.Applicable to those workers with pain in back and shoulder due to the long time standing, sitting or keeping of the same posture Easy to adjust and wear Universal size, easy to wear, without any help, you can take off and wear a pose corrector by yourself Size Chart: S: Suit for weight: 20-40KG M: Suit for weight: 40-60KG L: Suit for weight: 60-90KG XL: Suit for weight: 90-100KG Package included: 1 x Back CorrectorSitting posture improvement: suitable for men, women and youth (teenagers). An unhealthy posture can cause long-term back pain, muscle pain, myopia and other problems. Wearing a back brace will develop muscle memory over a period of time, and you can keep your back straight even without a posture brace. High-quality Velcro, adjustment-free: different correction angles, the design of the correction belt can be adjusted with nylon straps, and attached with high-quality Velcro, which can be adjusted freely through the shoulder strap. Posture corrector: This is a simple, non-surgical method that can correct hunchback, improve correct posture and help you relieve shoulder and back pain. Perforated design, breathable and comfortable: the posture correction belt is made of very soft composite fabric and nylon tape, and the back and shoulder straps are all made of breathable holes. Heat dissipation and breathability have been upgraded to improve wearing comfort. Suitable for various environments: it can be used at home, office, gym, yoga room and outdoor. Can be placed directly on clothes, the support belt will not cause skin irritation.