This inflatable composite life jacket is specially designed for emergency rescue, featuring water-resistant Oxford fabric outer layer with EPE high-density polyethylene foam filling, providing ≥50N inherent buoyancy and ≥100N total buoyancy dual protection. Equipped with a ≤5-second quick auto-inflation system, it meets urgent rescue needs during floods and flash floods. The high-visibility orange design with shoulder reflective strips enhances identification in complex environments, while the chest rescue whistle facilitates emergency signaling. Universal size fits most rescue personnel with lightweight design for unrestricted rescue operations.