This high buoyancy emergency life jacket features a 450D waterproof Oxford fabric outer layer with EPE high-buoyancy filling material, providing ≥88N powerful buoyancy support, weighing ≤1kg for light portability. Shoulder and chest areas equipped with large reflective patches ensuring high visibility in all adverse conditions. Validated through 192 flood control operations, it has protected 3,500 emergency personnel during floods nationwide, making it essential core equipment for emergency flood control.