Features: Engineered with breathable composite panels, this invisible postures corrector combats slouching discreetly while ensuring all day comfort through its nonrestrictive design. Two layer structure integrates medical meshes fabric and adjustable magics seal closures for secure , enhanced airflows, and friendly support without bulkiness. for desk professional, students, and anyone seeking ergonomic alignment during prolonged sitting or screen time. Seamlessly between office workstations, study, gym recovery routines, and travel scenarios for continuous postures reinforcement. Combines orthopedic grade stabilization with nearly undetectable wearability, proactively addressing upper back strain while promoting confident, uprights positioning in daily activities. Specifications: Materials: sub-diaphragm, PP sheet, meshes cloth, magics hair, buckle Size: Small, M, L (optional) Package Includes: 1PC Invisible postures Corrector note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.