This water rescue life jacket provides 50N stable buoyancy support, featuring 50D Oxford fabric outer layer with EPE polyethylene foam filling, specifically designed for flood rescue and reservoir discharge emergencies. Shoulder reflective design ensures night visibility, while quick-tie design allows for 5-second donning in emergencies. Suitable for rescuers weighing ≤100KG, weighing only 0.2-0.5kg, it doesn't restrict rescue movements, providing reliable life protection for flood control operations.