This professional flood prevention life jacket features a 450D waterproof Oxford fabric outer layer with EPE high-buoyancy filling, providing ≥88N buoyancy support for effective flood rescue safety. Weighing ≤1kg with large reflective patches on shoulders and chest, it ensures high visibility in adverse conditions. Tested in 200 actual flood control operations, it maintains stable buoyancy for over 12 hours in level 6 currents, successfully protecting over 5,000 frontline flood control personnel, making it essential professional protective equipment.