Most young have bad habit of hunchback and poor posture, which will make them look older and slouching. Well, this back support belt is just right for them to correct harmful posture and curved spine. The belt is made of fiber and cloth material for comfortable wearing. It's flexible and adjustable to fit your back and shoulder at the maximum stability, it can provide strong back support to improve your postures. With wearing this belt daily, your back spine and shoulders will be gradually corrected to recover natural right posture with trained muscle memory. Besides, the back support brace also helps in the treatment of back problems such as poor posture, backaches, neck and shoulder , not only a to help you stand taller and straighter but also to make you look more confident and younger. Features - Color: Black - Material: Nylon fiber and cloth - Size (S): 39 x 36 x 11cm / 15.3 x 14.1 x 4.3 inch ( W x H). - Size ( ): 39 x 11cm / 15.7 x 15.3 x 4.7 inch ( W x H). - Size (L): 42 x 41 cm / 16.5 x 16.1 x 5.1 inch ( W x H). - Size (XL): 43 x 42 x 15 cm / 16.9 x 16.5 x 5.9 inch ( W x H). - Made of nylon fiber and cloth, durable to use, skin-friendly, comfortable to wear. - Thin and lightweight design, breathable and sweat absorbed, with adjustable strap to fit your structure perfectly. No restricting, unisex design for man and woman. - The provides high stability and strong support to the back and relieve back shoulder and also reduces body fatigue. - Multi-function treatment. Correct bad body posture of back and shoulder, relieve backaches, neck and shoulder , curvature of the spine ( ), Osteoporosis, mild to moderate , slumped shoulders. - Perfect back for adults and students especially for prevention of adolescent humpback. Package list: 1 x Universal Humpback Correction Brace Posture For Adults Adjustable Clavicle Back Shoulder Lumbar Support Belt Strap Spine Size (Black)