Posture correction belt provides support for shoulders and back, helps correct hunchback and spinal curvature, and maintains proper sitting, standing, and walking posture.Made of flexible and soft fabric, light and comfortable with flexibility, wears comfortably without tension, protects the spine and is skin-friendly for a more comfortable orthopedic process.Based on ergonomics design, this posture brace helps develop a straight back, strengthens shoulders, neck and back, creates good posture, ameliorates pain in neck, shoulder and upper back, and changes bad slouching habits.Easy to wear - just like putting on and adjusting a backpack and support belt, easily put on and adjust to form fit upper and lower back for custom targeted support to relieve pain.Invisible under clothes and completely discreet for comfort, can be worn at work, home or out without others knowing.Features: Straightens back and stretches shoulders to help develop good habits; flexible and soft fabric reduces underarm oppression, comfortable to use; humanized design, elastic and won't curb body, skin-friendly and breathable; provides shoulder and back support, corrects hunchback and spinal curvature, maintains proper posture; adjustable tightness for personal needs.Specification: Item Type: Hunchback Correction Belt; Color: As shown; Optional Size: XS, S, M, L; Size Chart: XS - Suitable Weight: 22.5-37.5kg, Suitable Height: 100-140cm / 39.4-55.1in; S - 37.5-45kg, 140-160cm / 55.1-63in; M - 45-60kg, 160-170cm / 63-66.9in; L - 60-80kg, 160-180cm / 63-70.9in; Package List: 1 x Back Correction Belt