Description: Posture Support: The back posture corrector provides support for the shoulder and back, keep a good of your posture, and prevent hunchback Premium Material: The shoulder posture brace adopts premium nylon, silicone and latex material, fine workmanship, breathable, sturdy and ensures a long time to use Adjustable Strap: The back straightener features non slip elastic bands and adjustable buckles, can adjust the strap as you need, flexible and easy to wear, suitable for women and men Comfortable to Wear: Soft and lightweight posture corrector, easy to wear, high elastic widened shoulder strap, comfortable and not tight, comfortable to wear Wide Applications: The back brace allows you to move freely without interfering with your activities. Suitable for wearing during office, housework, etc. Wear 1-2 hours a day, can be worn intermittently, do not wear it continuously for a long time Specification: Material: Nylon Silicone Latex Size Chart: S: Height 110 cm - 140 cm/43.31 inch - 55.12 inch, Weight 45-55 kg, Underbust 55 cm - 70 cm/21.65 inch - 27.56 inch M: Height 135 cm - 160 cm/53.15 inch - 62.99 inch, Weight 55-70kg, Underbust 71 cm - 85 cm/27.95 inch - 33.46 inch L: Height 150 cm - 170 cm/59.06 inch - 66.93 inch, Weight 70-85 kg, Underbust 86 cm - 105 cm/33.86 inch - 41.34 inch XL: Height 165 cm - 180 cm/64.96 inch - 70.87 inch, Weight 85-100 kg, Underbust 106 cm - 120 cm/41.73 inch - 47.24 inch Package Includes: 1 Posture Corrector Note: Please allow slightly errors due to manual measurement and different monitors.