Details: Breathable And Invisible Inner Wear Correction Belt, General Kyphosis Correction Belt(XL) The product is shipped based on the color or size of the main image of the product page. Size:XL [Recommendations for use]: S--bust 60-90cm, M--bust 70-100cm, L--bust 80-110cm, XL--bust 110-140cm. Wear it for 15-20 minutes for the first time, and gradually extend the time after adjustment. Do not use it while sleeping. Adhere to 1-3 months to develop a healthy and straight posture. [Corrective posture corrector]-correct, assist, treat and support orthopedic problems in posture correction: poor posture, neck or shoulder pain, back pain, osteoporosis, scoliosis, kyphosis, sagging shoulders and laziness. [Comfortable technical materials]-high-quality fabrics, strict tailoring. The soft cushion protects the shoulders, the shoulders are elastic, and the back is supported by two cartilage. The stylish and lightweight back support makes your walking more confident. Invisible Bracket-Made of ultra-thin materials, even if you wear a posture corrector under your clothes, you will not find yourself wearing a corrective in your daily work.