Applicable people: general Material: Cotton & SBR Model: SFD533R Size: S, M, L Spinal support belt, shoulder back support belt for men and women, posture corrector with magnetic therapy 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 circumference 105-115 cm, we recommend size XL Suitable for thoracic lordosis, clavicle fracture, spinal dislocation, rounded shoulders, and posture correction Features: 1. Easy to adjust tightness for personalized fit 2. Strong support with 2 alloy support rods 3. Excellent comfort; can be worn at home, in the office, or anywhere 4. Soft fabric edges prevent arm irritation; avoid over-tightening straps 5. Easy to put on and take off 6. Lightweight design 7. Durable materials for long-term use 8. Humanized design makes it a practical gift: helps relieve back pain and lumbago for adults; assists in correcting posture for children Supportive design helps correct poor posture in the back and shoulders. Posture correction straps gently pull shoulders and back into proper alignment. Provides gentle back support to help prevent habitual hunching in teenagers. Unisex design suitable for both men and women. Fully adjustable, comfortable, and easy to wear. Ideal for office workers. Supportive structure promotes improved posture. Package includes: 1 piece back support belt Note: Please allow 1-3 cm error due to manual measurement. Due to lighting and screen differences, the color may vary slightly from the image. Please consider this before ordering.