1Lightweight shoulder strap, good elasticity, easy to adjust and pull without deformation. 2Strong hook&loop, no pilling, good stickiness, convenient and practical. 3Fits the body's physiological curve, the posture correction and shaping experience is more balanced, stable and comfortable. 4Adjust the oblique shoulder, shoulder wrapping designs, form a shoulder protection net, balances the shoulder pressure. 5Powerful spine memory support shaping board, relieve fatigue and discomfort of shoulder, neck, waist and back. 6Stretch crossedleading belt, apply comprehensive backward force to stretch from shoulder and underarm, open shoulder, straighten chest and back.