Features: Durable and comfortable to wear with high quality breathable materials It will pull back the shoulders, neck and head straightened when correcting the spine, which will greatly improve your bad habits and help your spine health. An elastic band at the shoulder and a shackle at the waist make it easy to wear and easy to adjust. Help with some bad Postures, prevent hunchbacks and develop good Postures. Suitable for back pain, sprains, shoulder instability, fibromyalgia, etc. specification: Condition: 100% new Project type: back support belt Material: Polyester Color: black, white Quantity: 1 Available sizes: (length * back width * height) S: 62 * 19.5 * 27cm/24.4 × 7.7 × 10.5 inches M: 62 * 21.5 * 27.5cm/24.4 x 8.5 x 10.8 inches L: 62 * 23.5 * 28 cm/24.4 * 9.3 * 11.0 inches XL: 62 * 26 * 28 cm/24.4 * 10 * 11.5 inches Package weight: approx. 100-102g Function: Correct bad Posture and prevent hunchback Package Included: 1 support belt note: Due to manual measurements, please allow an error of 1-3 cm. thank you for understanding. Specifications: Adjustable Back Posture Corrector Corset Back Spine Brace Belt Shoulder Lumbar Correction Bandage sis For Men WomenHigh-quality , adjustment-free: different correction angles, the design of the correction belt can be adjusted with nylon straps, and attached with high-quality , which can be adjusted freely through the shoulder strap. 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. 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. Sitting Posture improvement: suitable for men, women and youth (teenagers). An unhealthy Posture can cause long-term back pain, muscle pain, myopia and other medical 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.