New 24 pcs 24K Gold Nakamichi Speaker banana plug Audio Jack connector CORRECT BAD POSTURE: Are you suffer from slouching and hunching, high and low shoulders, neck and back pain? Our posture corrector can help to train your muscles and spine to return to their natural alignment. In addition, the posture corrector brace can also prevent myopia and relieve fatigue. It's design for students, officers, teenagers, adults and those who always sit poorly without awareness FULL BACK AND ERGONOMICS DESIGN: The posture corrector support your full back, shoulders and waist. The straps pull your shoulders back while our waist band supports the middle and lower back. And two sets of aluminum strips provide extra support, helping to reduce the load on the spine and muscles EASY AND COMFORTABLE TO WEAR: Made with breathable and soft neoprene, the back posture brace will not cut your arms. Wear it 2 hours a day, you will see a charming and confident posture after 4 months. It can be worn when watching TV, work on computer and learning, but except sleeping and exercising CUSTOM AND ADJUSTABLE SIZE: There're 3 kinds of sizes to choose according to your special waist size. Go to the larger size if your waist size is at the bound between of two sizes. If there has a size problem, please feel free to contact us DOACT GUARANTEE: DOACT posture corrector provides effective support to your back and shoulder. Please feel free to contact us if you meet any issue about size, support and quality. We will provide refund or replacement service to you