Straight Back Posture Corrector Shoulder Lumbar Brace Spine Support Belt Adjustable Corset Correction Body Improve with Plate Fits Waist Size: (Flat size of the elastic waist belt) S:65-80CM M:70-85CM L:75-90CM XL:80-95CM XXL:85-100CM XXXL:90-105CM Please allow slight 1-3cm difference due to manual measurement S ize doesn't fit all, please carefully check size chart and select the size based on your real size Features: Full back support with support plate inside, provide strong and full back support Supports Proper Posture and Relieves Back Pain Strong breathable fabric makes it more comfortable to wear without stuffiness feeling Can be directly worn under clothing Adjustable straps for comfort, help pull the shoulders back to stand tall & sit up straight Supporting design helps correct poor posture, pulls shoulder back to correct posture Provides gentle back support, prevention of adolescent customary humpback & bend down Can wear the brace while work, at home, exercising or shopping etc Specification: Material: Neoprene / Nylon / SBR How to use: Pull shoulder straps over shoulders making sure that the elastic cloth are closest to your body. Stretch waist belt around torso and fasten. Adjust position and snugness as needed. Shoulder straps should pull back slightly on shoulder area. If needed pull waist belt down slightly to increase shoulder pressure. Note: 1. Please allow slight 1-3cm difference due to manual measurement and a little color variation for different display setting 2. Size doesn't fit all, please carefully check size chart and select the size based on your real size Package Includes: 1 x Back Posture Corrector