describe: Applicable people: general Material: Cotton&SBR Model: SFD533R Size: s m l : Spinal Support Belt Shoulder Back Men's Support Belt Women's Support Belt Shoulder Posture Magnetic Therapy Posture Corrector Support Belt About size: Waist circumference 65-85 cm, we recommend size S; waist circumference 85-95 cm, we recommend size M; waist circumference 95 -105 cm, we recommend size L; Waist 105-115 cm, we recommend size Thoracic lordosis, clavicle fracture, spinal dislocation, rounded shoulder, posture corrector bracket Features: 1. Super easy to adjust the tightness yourself. 2. Strong support with 2 alloy support rods 3. Excellent comfort. You can wear the posture brace at home or in the office and anywhere you like. 4. Use soft fabric to wrap the edges so it won't cut your arms, just remember not to pull the straps too tight. 5. Easy to put on and take off 6. Light weight 7. Durable materials 8. The most practical gift for parents with humanized design: treating back pain and lumbago. For children: Correct posture. The support design helps correct poor body posture in the back and shoulders, and the posture correction straps pull the shoulders and back into the correct posture. Posture correction belt provides gentle back support to prevent habitual hunching in teenagers. Unrestricted unisex design suitable for both men and women. Fully adjustable, comfortable and easy to wear. Suitable for office workers. Supportive design helps correct bad posture. Package includes: 1 piece back support Note: Please allow 1-3cm error due to manual measurement. Due to light and screen differences, the color of this item may vary slightly from the picture. Please understand. Please make sure you don't mind before ordering.