This is a lumbar support (corset) with steel plate support that has a function to warm the lower back and abdomen. It has a function to warm the lower back and abdomen, and the steel plate support firmly supports the lower back and supports posture. It helps to maintain an upright posture and keep the shoulders and back straight. Materials are used to provide a comfortable fit, and it can be expected to reduce the burden on the lower back. M～L 76～90cm LL～2XL 91～100cm Size can be adjusted with the adjustment of the sub-belt. This is an overseas product. Although it is new and unused, it has been taken out of the outer bag once for inspection to check the condition. We do not accept returns for size differences, so please check the sizes listed above as a reference. If there is a defective product, please contact us 'before the receipt evaluation after the product arrives', and we will respond sincerely.