1Three rows of adjusting buttons adjust the tightness, wonderful, breathable and refreshing. 2Elastic material, breathable and comfortable, lightweight and beautiful posture correction tape. 3Correct hunchback, gather chest type, collect auxiliary breast;Improve chest sagging, spinal curvature and other problems. 4Wrap the arm, make the body and arms look better, hold the chest, correct the waist and back, present a perfect curve. 5Providing high elasticity and strong compression to wrap your arms and upper body.