product description 1.How to dress proprely: Please start to wear posture corrector for 15-20 minutes increase it for 10-15 minutes every day and gradually wear it for 1-2 hours. Please do not wear it during sports or sleeping. 2.Invisible under clothes: Our posture corrector for women is light and thin enough to wear under your shirt or jacket without being notice. You can wear the posture corrector at work home or out. After wearing it for a while you may even forget to wear a posture corrector. 3.Relieving back pain improving posture: Special Y-shaped design based on ergonomics. posture corrector helps you exercise the muscles of the back form a good posture. By using the posture corrector helps you to eliminate back shoulder neck and lower back pain caused by strain sprain muscle spasm and bad posture. 4.Comfortable and Breathable: Using high-quality lightweight soft washable and breathable materials will not rub the skin and stay comfortable all day long. Shoulder strap porous ventilation design to avoid sweating on your shoulders and underarms even keep cool while keeping your posture. 5.Adjustable & easy to align: The unisex posture corrector is designed adjustable shoulder strap for you easily adjust the tightness of the support bracket .It is easy to wear without help.