I accidentally bought the wrong size. Brand new, unused! Size: L The following is a quote from the website ⬇️ [Recommended by Judo therapists] Back Pain Belt Magnetic Back Support Back Pain Waist Belt Waist Support Rubber Belt Improvement Large Size Nursing Care Work Sitting Medical Corset Double Belt Sports Use Correction Fix Anti-slip Unisex (L) ✅ Double fixation with the inner belt and the outer tightening belt. 20 built-in magnets comfortably support the lower back. ✅ The inside of the abdomen and lower back has a non-slip treatment to prevent slippage during wear. ✅ High elasticity accommodates a wide range of body types and can be used by both men and women. ✅ Can be used in various situations, such as housework, work, and nursing care, which put a strain on the lower back. ✅ Size: Total length (waist circumference range) S: 95cm (80-90cm) M: 105cm (85-95cm) L: 115cm (90-105cm) Width: approx. 15cm ✅ Re.took is a registered trademark of RTK OnlineStore. Products purchased from other stores than RTK OnlineStore are imitation products that do not have the "RE.took" logo, so please be careful.