1.Posture corrector for women,designed with high-end durable materials,breathable and soft to the touch,will not irritate your skin,it can be used while working,doing housework or any sports activities,it will help you improve your posture well. 2.Posture corrector for men,widened and enlarged shoulder strap design,breathable and comfortable,soft to the touch,fixed square buckle support,cleverly designed square mouth position,no extra parts,will not cause back discomfort,improve user comfort experience. 3.Back posture corrector with adjustable shoulder straps to pull your shoulders back firmly to where they belong without you having to forcefully pull them there.Effectively relieve shoulder,neck or upper back pain and help with hunchback problems. 4.Back straightener,the corrective brace helps you open your shoulders,constantly reminds you to exercise your back muscles,and forms muscle memory to get rid of bad posture,a y upright posture can make you look more confident and have a good posture.