Benifits to wear the Posture Brace: Keeping bones and muscles aligned properly Reducing mental and physical fatigue and stress Preventing backache Helps with positive physical appearance Prevents the spine from becoming fixed in abnormal positions Features: Thin and lightweight material is breathable and sweat-absorption for comfortable wearing all day long. With hook and loop, it can be adjusted to better fit your body. Form the correct seating posture, protect eyesight and prevent short-sightedness. Force the shoulder to be extended fully. Decrease your shoulder and waist pain and improve humpback to shape a nice-looking figure. Suitable for workers, teenagers and other people who have bad seating walking habits. Specifications: Item Type: Back Corrector Material: Composite Cloth Color: Black Function: Humpback Correction Size: Adult/Kid Size Kid: suit for weight 20-40KG Size Adult: suit for weight 40-80KG Package included: 1 x Back Corrector