Unisex Back Waist Posture Corrector Adjustable Adult Corrective Belt Waist Trainer Shoulder Lumbar Support Spinal Support Belt Vest Package includes: 1 x Back Corrector Belt Size: S (Waist): 69-81cm/27-32M (Waist) : 82-91cm/ 32.1-36L (waist): 92-101cm/36.1-40XL (waist): 102-112cm/40.1-44 Features: (1) Made of comfortable and breathable cotton material, the buckle is made of tape ; (2) Special - eight-open design, easy to adjust tightness; (3) Easy to wear, comfortable, and good breathability; (4) Effective for medial fractures. How to use: Pull the straps over your shoulders, making sure the stretch is closest to your body. Body. Stretch and tighten the belt around your torso. Adjust position and comfort as needed. The shoulder straps should be pulled slightly back in the shoulder area. If needed, pull the belt down slightly to increase shoulder pressure.