The belt is made of fabric to achieve comfortable wearing experience. It's flexible and adjustable to fit your back and shoulder at the maximum stability, providing strong back to improve your postures. The also helps in the treatment of back problems such as poor posture, backaches, neck and shoulder . Feature - Color: Black. - Material: Fabric. - Size S: 45cm(Height); 98cm(Length). - Size : 45cm(Height); 100cm(Length). - Size L: 45cm(Height); 102cm(Length). - Size XL: 45cm(Height);104cm(Length). - Size XXL: 45cm(Height);106cm(Length). - Size 3XL: 45cm(Height);108cm(Length). - Size 4XL: 45cm(Height);110cm(Length). - Thin and light, breathable and absorbent, with adjustable strap to fit your structure perfectly. No restricting, unisex design for man and woman. - The provides high stability and strong to the back and relieve back shoulder and also reduces body fatigue. - This posture brace focus on providing full back . Effective assistance and strong relieve back, neck and shoulder caused by poor posture. - Besides, the waist belt is adjustable to upper and lower back, Easily to wear. Package list: 1 Belt