Features: ★ Adopting high quality material, which is breathable, durable and comfortable to wear. ★ Ergonomics opposite direction strengthen type design will get better effect, detachable and adjustable shoulder pad will protect your shoulder or axilla from damaging cased by friction. ★ Providing support for your shoulders and back, which will help to prevent humpback and curvature of the spine, correct poor postures to keep a correct sitting, standing, walking posture. ★ Help to balance stress on the shoulder, back, waist, abdomen, relieve muscle fatigue, and protect the waist, back and spine. ★ Can help to prevention of myopia occurred, it will gently pull back the shoulders, the neck and head are straightened while correcting the spine, this will gradually restore a reasonable distance with the eyes and correct pseudo-myopia. ★ Strong hook and loop on the waist belt is durable and easy to wear and take off Specifications: Condition: 100% Brand New Item Type: Posture Correction Belt Gender: Unisex Material: Lycra + Polyester Color: BLACK Available sizes:S,M,L,XL,XXL Package Include:1 x Back Posture Corrector Belt Please measure your waist and choose the right size very carefully If you are sutible for two sizes, please choose the larger size