Specifications: It works by pulling your shoulders back, straightening your upper back, reducing your back pain, and supporting correct posture. Posture corrector shoulder brace can be worn under clothes, making you glow with confidence every moment. Adjustable straps on the back provide comfortable adjustment, allowing you to stand upright naturally. Lightweight posture corrector is easy to wear and wash. Type: Posture Corrector Material: EVA, Polyester Gender: Unisex Features: Adjustable, Back Shoulder Brace, Improving Posture & Health Size Details [Our Size S] Waist: 50cm-65cm/19.67"-25.59", Height: 120cm-145cm, Weight: 25kg-40kg (Approx.) [Our Size M] Bust: 60cm-70cm/23.62"-27.56", Height: 145cm-160cm, Weight: 40kg-60kg (Approx.) [Our Size L] Bust: 65cm-80cm/25.59"-29.53", Height: 160cm-175cm, Weight: 60kg-85kg (Approx.) [Our Size XL] Bust: 75cm-85cm/29.53"-31.50", Height: 175cm-190cm, Weight: 75kg-110kg (Approx.) Notes: Due to the light and screen setting difference, the color of item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Posture Corrector