XIANQI Posture Corrector for Men and Women, Adjustable Back Brace for Clavicle Shoulder with Lower Back Support Belt, Posture Support Relief Pain on Neck, Back, Upper Back and Shoulder Metal Strips Back Support: Help the back brace to straight your back. This posture corrector wraps around your back shoulder and waist, pulls your muscle and spine back to original alignment to fix your posture. Posture Brace Relief Pain: This back straightener not only helps you develop a straight back, strengthen your shoulders, upper back, and change the bad habits of slouching. but also realign your spine and reduce the soreness and pain on back, shoulders, neck, waist caused by poor alignment. Comfortable Back Brace: Made with lightweight breathable materials to deliver comfortable wearing experience. The soft shoulder pads prevent the posture support from digging into your armpits. Daily Use Posture Corrector: If it were the first time for you to use back posture corrector, please wear it for 20-30 minutes per day at beginning. Don't tie this back support brace too tightly, or you may feel uncomfortable, we suggest you can gradually increase the strength. Colour: Black Size: L, suitable for weight 110-140 catties, suitable for height 165-180cm, suitable for waist 2 feet 1-2 feet 6 Delivery Quantity: 1 Piece