New, Unused. Selling due to decluttering. The following product description is quoted from the time of purchase: Back Pain Belt, Back Pain Corset, for Men and Women, Pelvic Belt, Back Supporter, Corset, Posture Correction Belt, Three-in-One, Pelvic Correction, Core Strengthening, Back Pain Relief, New Pulley Design, Enhanced Support, Breathable, Washable, Lumbar Corset, with Japanese Instruction Manual Size: L (89cm-102cm) 【Three-in-One: Back Support/Pelvic Care/Training】 This lumbar corset is an all-in-one back pain belt that combines three major functions: lumbar protection, pelvic stabilization, and training support. It comprehensively addresses common problems such as back pain, pelvic misalignment, and poor posture. It achieves three functions in one belt. It caters to various needs, including office workers, those needing postpartum pelvic care, and training enthusiasts. 【New Pulley Design, Amazing Support】 The corset's pulley design allows for instant tightening with a single touch. The collaboration of the movable pulley design, adjustment straps, and high-strength adjustment strings (cords) precisely controls the support force on the lower back. The pulley's labor-saving mechanism provides secure fixation with minimal effort. The back pain belt is ergonomically designed to firmly wrap the lower back and abdomen, effectively reducing the burden on the lumbar spine. It is trusted and recommended by chiropractors and physical therapists. 【Thin, Highly Breathable, Comfortable to Wear, Durable and Portable】 It uses nylon mesh material and 3D support plates. While maintaining excellent support, it is thin and highly breathable, making it comfortable for long-term wear. The soft sponge mesh pad sewn inside the back pain corset prevents slippage and shifting during wear. It reduces excessive pressure and digging into the lower back, firmly protecting the waist. Made with high-quality materials, it is durable, does not lose its shape, and can be washed in a washing machine if placed in a laundry net. It weighs only 180g and is lightweight and foldable. 【Unisex, Suitable for All Occasions】 For those suffering from back pain, pelvic misalignment, postpartum pelvic looseness, and poor posture. By using the back pain corset for 10 minutes a day for 20 days according to the instructions, you can experience positive changes in your body. It is especially recommended for those who stand for long periods, such as those in customer service, medical professionals, drivers, construction workers, and office workers, as well as middle-aged and elderly people concerned about their back health.