Back & Lumbar Support Cushions Package Include: 1Piece * Posture Corrector for Men and Women Size Chart: XS---Chest circumference: 50-65cm/19.7-25.6inch Suit for weight: 25-45KG S---Chest circumference: 65-80cm/25.6-31.5inch Suit for weight: 35-55KG M---Chest circumference: 80-95cm/31.5-37.4inch Suit for weight: 45-65KG L---Chest circumference: 95-110m/37.4-44.3inch Suit for weight: 55-75KG Notes: the product size is manual measurement, Please allow 1-2cm measuring deviation . Specifications: 1. Brand: SPOSAFE 2. Name: Back shoulder posture corrector 3. Material: Velvet fabric, Sponge, Nylon 4. Color: Black, White, Blue, Grey, Green, Purple 5. Size: XS, S, M, L, XL, 2XL, 3XL 6. Suit for: Adult Men and Women 7. Applicable Scene: Habitual camel back, high and low shoulder, shoulder joint pain, arthritis, acromion joint loosening, clavicle fracture, clavicle dislocation, scapular fracture and so on Our posture corrector can help you: 1. Take a weight off your shoulders. 2. Realign your vertebrae to their pr position. 3. Relieve upper and lower back pain, neck pain. 4. Reduce slouching, hunching and slumping by corrector your posture. 5. Recover mobility and strengthen the muscles. 6. Reduce stress and bring more calm into your life. 7. Look more confident and give people a good impression. About the Product: 1. Seven Size Available. Back Posture Corrector with breathable and latex-free adjustment strap. 2. Shoulder Support Brace Pull back your Upper Back to the right position. And then improve your whole body posture during work or life. 3. You can use it not only when you are sitting on computer or driving a car, but also when you are playing sports or gardening. What is more, you can use it at home when you are doing housework, or watching TV. 4. Posture brace filed with Lightweight nylon,can be worn comfortably under or over clothing.Correct your posture all day.You can put on and adjust by yourself. 5. By aligning prly your posture, it takes pressure off of key areas, thus alleviating back, neck, shoulder and clavicle pain. How does the comfortable posture correct brace device work? When you keep your shoulders straight and have the back straightener on, nothing brings you discomfort and you forget about the posture brace on your back. But as soon as you start to slouch, the back corrector make you feel uncomfortable and you sit straight again. After some time of regular usage of corrector back brace muscle memory will build and you will have straight back all the time no matter if the posture corrector device is on. User instructions: 1. Straighten the back and put the upper back brace shoulder brace on. Tighten all the straps so you feel no discomfort. 2. Start wearing our back straightener for 5-10 minutes per day and then raise the time to an hour or two at a time. 3. You may feel uncomfortable for the first 3-4 day, but later youll get used to wearing the posture corrector therapy back brace. Attention: Dont pull the straps too tight it may worsen blood circulation. Wear the best posture corrector directly on body or cotton clothes.