1Light and thin material, soft and skinfriendly, breathable, sweatabsorbing, comfortable to wear all day. 2Hook and loop design, can be adjusted to better fit your body. Adjustable high elastic shoulder strap, won't curb shoulder. 3Help form the correct sitting posture, protect eyesight and prevent myopia. Open shoulders and straighten back. 4Correct your posture, relieve shoulder and waist pain, improve hunchback and shape a charming body figure. 5Exquisite workmanship, multiple sizes of back corrector are optional, you can choose according to needs.