package included: 1 x adjustable body posture belt through scientific nets coordination able, firm and soft force, make the human body neck, shoulder, back, waist, abdomen, shape banding facade, powerful help children and ladies maintain the right posture to sit, stand and walk. it's the best choice for children and ladies' humpback. features 1. model: 003 2. color: black 3. material: pu leatherspandexcotton lun 4. size: as picture shows 5. fits children & ladies. 6. let children correct posture to prevent myopia upright, good body shape. women straight waist abdomen, spine correction, more upright confident. 7. light and soft design which is easy to wear, and un-noticeable beneath clothing. 8. fully adjustable, comfortable & easy to wear. 9. supporting design helps ease pain and correct poor posture. 10. the correction is more effective. chest backward/humpback/the level of the shoulder 11.it will gently pull back the shoulders, the neck and head are straightened while aligning the spine.