L size: 89cm-102cm [3-in-1: Lumbar Support/Pelvic Care/Training] This lumbar corset is an all-in-one back support belt that combines three major functions: lumbar protection, pelvic stabilization, and training assistance. It comprehensively addresses common modern problems such as back pain, pelvic misalignment, and poor posture. It achieves three functions in one belt, catering to diverse needs including office workers, those needing postpartum pelvic care, and training enthusiasts. [New Pulley Design, Amazing Support] The corset features a pulley design that allows for instant tightening with a single touch. The coordinated design of the movable pulley, adjustment straps, and high-strength adjustment string (cord) precisely controls the support force on the lower back. The pulley's mechanical advantage allows for 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] The pelvic belt uses nylon mesh material and 3D support plates. While maintaining outstanding support, it is thin and highly breathable, ensuring comfort even during prolonged wear. The soft sponge mesh pad sewn inside the back pain corset prevents slippage and displacement during wear. It reduces excessive pressure and digging into the lower back, firmly protecting the waist. Made with high-quality materials, it is highly durable and maintains its shape. It can be washed in a washing machine if placed in a laundry net. Weighing only 180g, it is lightweight and foldable. It can be stored in a bag, making it convenient to carry when going out. [Unisex, Suitable for All Occasions] For those suffering from back pain, pelvic misalignment, postpartum pelvic laxity, 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 customer service staff, medical professionals, drivers, construction workers, and office workers, as well as those who are prone to sudden back pain and those middle-aged and elderly individuals concerned about their back health. [Ideal for Gifts] This back belt consolidates three major functions: lumbar support, pelvic care, and core training. It comes in a luxurious gift box, making it a great gift for birthdays, anniversaries, as well as health gifts for Father's Day, Mother's Day, and Respect for the Aged Day.