【Posture Correction】 Effectively supports slouching caused by long hours of desk work and smartphone use. Returns shoulders and back to a natural position, maintaining correct posture. 【Comfortable Wear】 Made with breathable mesh material, preventing stuffiness and providing comfort even during extended wear. Soft, skin-friendly material for peace of mind. *Size: S (40-60Kg) This is a new, unused item, so please purchase with confidence. Thank you for viewing.