Features:1 It is made of high-quality OK cloth and SBR material through careful processing and design. It is lightweight, soft, breathable and comfortable.2 According to the human body structure design, flatten the shoulders, stand tall and straight.3 Helps improve breathing, relax muscles and straighten neck, spine and your head.4 Lightweight and breathable, it can be used close to the body, effectively solving the hunchback, bending over, sitting not straight.5 Bad posture can be corrected by changing the walking sit bad posture, becomes good habits, supporting the maintenance of normal physiological curve of the spine to protect the spine.6 The back brace has strong nylon clasp which can be adjusted and stick firmly to ensure the whole back keep straight.7 It's comfortable to wear not only to beautify your chest but also to relieve spinal, neck and back pain, especially hunched back.Specifications:Material:OK cloth,SBRType:Humpback Correct BraceSize: see as below (adjestable)Color:yellowGender:ChildrenFeatures:Soft,comfortable,adjustable,breathableItem Type:Back Braces & supportsAge:childlrenPackage included:1x humpback correct support brace(opp bag)Suitable for: working, walking, exercising and relaxing。