1Lightweight shoulder strap, good elasticity, easy to adjust and pull without deformation. 2Strong hook&loop, no pilling, good stickiness, convenient and practical. 3The fabric is light and breathable, can be worn in or outside the clothes, convenient to correct. 4Fits the body's physiological curve, the posture correction and shaping experience is more balanced, stable and comfortable. 5Adjust the oblique shoulder, shoulder wrapping designs, form a shoulder protection net, balances the shoulder pressure.