Medical Clavicle Posture Corrector Lower Back Correction Belt For ChildrenOverview: 1. The car line is even and meticulous, and it is reinforced with nylon wire, which is firm and durable. 2. High quality Velcro, after several tests, can be repeatedly pasted without falling. 3. Sweat absorbent and moisture permeable mesh design, light and thin fabric, covered with air holes, do not worry about heat dissipation. 4. The position of the square buckle is just that there will be no more parts at the end of the shoulder strap,